Karen embarks on a journey from Staten Island to Arizona with her daughter Karina to visit her father, Sammy "The Bull" Gravano, after his release from prison; Jess attempts to let Billy back into Taylor and Joe's lives.
When notorious Mafia boss Salvatore "Sammy the Bull" Gravano returns home from prison, his New York, community is at a crossroads; the docuseries follows four families as they decide whether to cut their ties to organized crime or embrace its legacy.
Karen and the crew celebrate the grand opening of her restaurant, which includes an unexpected guest; Billy continues to make amends with Taylor and Joe; CP disappoints his family when he doesn't show up for his sister's birthday.
Joe learns his fate after his court date, while Billy meets Taylor's boyfriend for the first time. Karina's relationship with Paulie comes to a head after his jealousy hits an all-time high.
The crew heads up to the Poconos to get out of Staten Island, where Paulie and Karina's relationship is tested; Jess introduces Taylor and Joe to her new love interest; Gina continues on her path toward clearing her record.
A shocking loss turns everyone's world upside down; Karen and Karina are faced with a tough decision about leaving Staten Island; CP reunites with his father as he gets out of prison.
While in New York for Billy’s case, Bills reaches out to an estranged family member. Big Chris finally receives surgery to remove his cancer, however his road to recovery continues to be an ongoing process. Karina continues to try to resolve her lawsuit.
Bills connects with Dana in person for the first time and updates her on the case; new information is uncovered in the cause Billy's death which causes renewed suspicion amongst the O'Tooles; CP and his family work together to help Big Chris.
While meeting for the first time since witness protection, Billy and Dana discuss the potential consequences of the case. The O'Tooles receive Billy's autopsy report and reflect on life after his passing. Angela tracks down Boris to discuss their divorce. The Gravanos continue to pursue freedom for Xavier. Meanwhile, the Laroccas adjust to the whole family being together again for the first time in years.