Welcome to Diamond Hills. After a failed encounter with the notorious Alyas Sexbomb, Rich Bartolome and Mau Cabigting were tasked to go undercover to finally catch the criminal. The two will pose as Jack and Jill Corporal, a sweet couple wanting to start a new life together. But completing the mission will be hard because the two hate each other.
The investigation continues. Jack and Jill's first suspect is the handyman, Bobby G. He knows the ins and outs of the village and he's been somewhat aloof to the couple ever since their arrival. But as soon as the partners realize that they are following the wrong person, Jack notices he lost something that can eventually reveal their secret to everyone.
There's a thief on the loose targeting groceries and deliveries. Unfortunately, Jack and Jill will be caught red handed, holding grocery bags after trying to apprehend the culprit. The crime will be pinned on them until they can deliver the real thief to Cleo. After they've been cleared, they discover that Bobby G already knows their secret.
Jack and Jill tell Bobby G the truth. Surprisingly, the handyman promises to help them in their case. A scheduled black out forces Jack and Jill to spend their time playing games with Harry and Sally. As the lights go back, things between Jack and Jill become clear too. The two are now on the road to becoming friends. While Cleo discovers something her dead husband left behind.
Old issues arise as Jill and Jolie confront their mothers because of how they've been treating them. New faces visit the village. One is Tasya, Jill's talkative mother who loves gambling and pointing out her imperfections. Second is Asiong, Cleo's godson who seem to be the image of a perfect son in her eyes. By the end, Jack and Jill zeroes into Jenny Mae as they make her the new suspect.
Jolie proposes a village-wide video shoot to promote Diamond Hills. Everyone is included. Jack uses the shoot to investigate Jenny Mae, unfortunately, the other residents think he's cheating on Jill. But his focus transfers to Jill as he sees her in a different light for the first time. And before Jack and Jill clear Jenny Mae's name, she is seen talking to a person wearing a hoodie.
Rumors are swirling about Jack and Jenny Mae's supposed affair. And as Jenny Mae confronts Jack as to what his true feelings are, Jack confirms he may be falling for her. But the truth is, Jack is using this to get closer to the suspect. Only problem is, while Jack is risking his reputation to get information from Jenny Mae, Asiong visits again and distracts Jill.
Jill tells Jack she doesn't want anything fancy for her birthday. But Jack is surprised the next day when Asiong arrives and brings with him a full catering set-up. A battle ensues between Jack and Asiong, over party games. Ultimately, Jack wins for securing something that is dear to Jill's heart. After drinking the night away, Jack and Jill find themselves together in bed the next day.
Jack and Jill attend Cleo's husband's Babang Luksa to investigate using the new information they got from their chief. But as usual, things get in the way. The two are having a hard time remembering what really happened between them after Jill's party. Cleo finds a note from an unknown source and the next day, she discovers that someone tried to enter her husband's second unit.
Jack and Jill investigate Cleo's case. In the process, they discover a secret that Bobby G has been keeping for a long time. Bobby G shares to Jack his checklist on how to know if you really love a person. One by one, Jack experiences all three. He may be falling for Jill already.
Jack and Jill battles two-time champions Harry and Sally in the 12th Mr. and Mrs. Diamond Hills to end their bickering over Harry's stolen medicine kit. Jack and Jill win, regains the Torres' friendship but angers Maritess in the process of finding out who she is. The two also discovers they tested positive for Happy P.
Effects of Happy P. is now very visible inside Diamond Hills as Jack and Jill find a way to acquire important information from Maritess. Cleo and Jolie enjoys the fruits of their new business only to find out that it is connected to Happy P all along.
Cleo and Jolie were released from jail after it was discovered that the true Alyas Sexbomb were Tibs and Asiong all along. Jack and Jill plan an entrapment operation and finally wins the case. But before the two leave the village, Jill gets kidnapped.
Jack is distraught and will do anything to find Jill. He is losing his patience but locating his partner will take time. Jill on the other hand is in the hands of mysterious goons who is forcing their victims to dance. Jack rescues Jill but it seems there is a new case for them to investigate.
Tasya returns after hearing what happened to her daughter. Jacks, mom, Helen visits too. The two mother's different upbringing starts a fight between them. Still recovering, but Jack and Jill need to put a stop to their mother's bickering. Meanwhile, Jolie and Jenny Mae teach a self defense workshop where they realize that they need to find love too.
Twins Maddy and Heidi visit their Uncle Harry and Auntie Sally for the weekend. The couple tries to practice how to become parents in the future. Jack and Jill investigate the chismis that a kapre and white lady are haunting Diamond Hills.
Jack and Jill and the Diamond Hills barkada goes to a resort to unwind amidst the growing number of kidnapping cases in the metro. Jack is having a hard time telling Jill about his true feelings. Meanwhile, Jill sees one of her kidnappers. Jack and Jill chase him and gets an unexpected clue. The kidnapper says, if they want a clue regarding the case, the lead is already inside Diamond Hills.
Cleo's mother-in-law, Delia, visits her. The problem is Delia's memory is already failing her. Jack and Jill help to retrieve Delia's lost dog, only to find out that what she really needs is constant visits from her loved ones. A new homeowner also arrives in Diamond Hills. Betsy, a former member of a once famous girl group seems to like Bobby G.
Jill's older brother, Benjie, visits her. Benjie doesn't like Jack and he doesn't want to do any chore in the house. Jack and Jill devices a plan on how to push Benjie to find a job and act like a responsible adult for once. While Benjie is searching for a job, a mysterious man lures him with money to answer questions about the residents of the village.
Betsy continues to flaunt her feelings for Bobby G. Cleo uses Betsy's illegal garage sale to finally let out her negative feelings towards the new resident. Meanwhile, Jack and Jill think they finally solved the mystery of Maritess- that it is Jenny Mae all along. But they were wrong. In the end, Jack injures himself while saving Betsy from a kidnapping attempt.
Jill turns into a nurse as she helps Jack recover from a severe sprain. Being closer to Jill more than ever doesn't help Jack in hiding his feelings. He tries once again but fails miserably. Jack realizes, that maybe, he and Jill are just meant to be friends. Meanwhile, Harry helps Joe to finally move on from his ex after learning that his ex is already engaged. In the process of moving on, Joe realizes that he already likes Jenny Mae.
Episode #2.9
As Jill accepts the reality that she has feelings for Jack, a woman from Jack's past returns. Rose is shocked that her ex-boyfriend, who said he's not ready to get married is now in a committed relationship with his case partner. Jill investigates alone and unknowingly makes Jack look bad in Palisoc's eyes.
Joe rallies everyone to witness his admission of feelings towards Jenny Mae. Unfortunately, his ex-Kerry comes back after having second thoughts on her upcoming marriage. Jack and Jill help Joe and Kerry move on from their past as they themselves find a solution from their rift. In the end, Jenny Mae is kidnapped by Betsy's mother- Bibeth.
Episode #2.12
Episode #2.13
Jack and Jill are now officially a couple. But things never change. They still can't catch a break. Jill's ex-boyfriend Dado appears in the village as the new handyman. And the homeowners fear that someone in their past is back to exact revenge on them.
The investigation is in full swing after Junjun, the new chief, gives his blessing to Jack and Jill. It's the village's annual sportsfest, and after an injury, Jill can't play anymore. Jack partners with Dado to win the games. In the end, Anne, a new homeowner, arrives in Diamond Hills.
Dado will stay in the Corporal residence for a while. Jack tries to be open minded about it, but jealousy gets the better of him every time. Cleo learns that Bobby G's son in the province doesn't like her as his father's new girlfriend.
The embassy calls Joe to inform him that he will soon be deported for overstaying. He and Jenny Mae plans to get married, leave, and hide from everyone. Jack and Jill stop them and helps them. They discover that the embassy ruling is fake. Someone is out to get Joe. He thinks, it is Ernalynne starting to exact revenge. It is also Jack and Jill's first monthsary. It didn't go as planned but the two still pushed for a romantic dinner, with Dado's help.
Sally's germophobe grandma, Lola Remy finally arrives in Diamond Hills. As a former homeowner, it looks like she has unfinished issues with the other residents. Jolie thinks she can be Ernalynne's accomplice. Meanwhile, Jack and Dado's friendship continue to get stronger. Too bad for Jill who's already feeling left out.
A donation drive and medical mission is held in the village. Jenny Mae's father is one of the doctors. He is open at first to understand his daughter's chosen career until a malicious article comes out. Jenny Mae is branded as an upcoming sexy star. Jenny Mae is whisked away by her father leaving Joe and the neighbors to continue speculating that this is another one of Ernalynne's plot for revenge. In the end, Jack and Jil finally reconciles.
It's Christmas. Tasya and Benjie visit to celebrate with Jill. Jack and Jill's relationship get stronger, and they even win the Parola king Contest. Benjie warns Jack that he thinks, Dado is still in love with his sister.
Bobby G's daughter visit to celebrate New Year with him. Little did he know, his daughter is hellbent in destroying Cleo's celebration. Good thing, Bobby G finds out what his daughter has been doing and lets her see that Cleo is not out to replace her mother. As the neighbor's celebrate the new year, it is revealed that Anne is Ernalynne all along.
After the New Year celebration, Jolie starts a clean-up drive to tidy up the village. Bobby G becomes increasingly curious about the real identity of Mariposa. His curiosity leads him in Anne's trap resulting to him getting banned in the village for theft. Meanwhile, Jack finds Dado's notebook. It has romantic notes for someone. Jill immediately knows it's her and makes Dado leave their house immediately.
Jack is surprised that Dado left their house. Jill keeps the real reason secret. With Bobby G getting banned in the village, Cleo is inconsolable. Jolie juggles from being the acting HOA president and running their business. He hires a maid not knowing it is a member of Anne's gang. Tapsi ni Cleo is sued for food poisoning and they are the next casualties of Ernalynne's revenge.
Sally discovers that Harry had a child from his ex-workmate. Jack and Jill discover that this is another scheme from Ernalynne but it is too late. Harry already left the village and is nowhere to be found.
Jack secretly plans for Jill and Dado to talk and mend their friendship. It backfires because he learns the real reason why Jill is not talking to Dado. A fight ensues. Junjun bumps into Anne and discovers it is Ernalynne's new face all along. It also revealed that Junjun has feelings for Ernalynne ever since. Now, Anne is threatening Junjun to help her or she will make it messy for him together with Jack and Jill.
Anee with her gang and Junjun with Jack and Jill try to outwit each other. Finally, Jack and Jill succeed in putting the gang back to prison. The Diamond Hills Barkada come back to celebrate. Now, everyone knows that Jack and Jill are police undercovers but their neighbors accept them with open arms.
Cleo and Bobby G get married. Jack and Jill also think about the future of their relationship. During the reception, Chief Calalang, Junjun's replacement, briefs the partners about their new case. Meanwhile, Jack is bothered with his recurring dreams about his childhood imaginary friend.
Jack and Jill move into their new house. Their friends arranged a house warming party for the two. But the celebration is constantly disrupted by new village visitors. A nearby barangay was burned and residents moved to Diamond Hills as their temporary shelter. And before the day ends, Bobby G's money was stolen. Is it one of the visitors or is it Robin Foot?
Jack and Jill continue to investigate Bobby G's lost money. They scan the whole village to find clues especially footprints. In the end, Bobby G remembers that he was the one who misplaced his money. A new resident begins to settle in and she has her eyes on Jack.
Helen, Jack's mother, visits again. As a woman of faith, she doesn't want the couple to be living under one roof. Jack's solution is not to touch Jill as long as they aren't married. Meanwhile, Harry and Sally's issue finally came out. Jack and Jill helped them resolve their misunderstanding.
The boys arranged a spa day for the girls. After all, it's women's month. While the girls are enjoying being pampered, Robin Foot finally attacks. He takes Cleo's wedding ring. And as the girls try to find the ring, the boys were invited by Gretel to have snacks in her house. But Gretel has something planned for Jack.
Jenny Mae's shoot for a new indie film will be held inside the village. Jack and Jill try to be as alert as they can to prevent Robin Foot from taking anything. But they fail. An expensive painting, a prop in the movie, is stolen. To make matters worse, Jack and Jill receive a box of photos from Gretel. It shows Jack looking intimate with Gretel.
After missing his boyfriend from quite some time now, Jolie finally sees Hachiko. But he says, he's only visiting the country for a day. Jack and Jill help the two to make their "one day" memorable. But as the two help their friends, they realize also the need to resolve their own issue. Jack's way is to finally propose to Jill. Unluckily for Jolie, Hachiko was arrested as a scapegoat for Robin Foot.
Kidnapping
Identity Theft
Escape
Criminal Team Up
Episode #4.12
Finale