Gladys takes an office job at Victory Munitions, the factory at the heart of the series' action. Her world is blown wide open by the unlikely sisterhood she finds there, but she soon finds herself faced with a big decision: whether to defy her family and societal expectations and join the working girls on the dangerous floor of the factory.
The women at Victory Munitions must band together when the blame for an accidental explosion is laid at their feet.
A surprise inspection puts VicMu employees under the gun giving Lorna an opportunity to finally rid the factory of Marco, and Gladys must defend herself against a thief to prove Kate’s innocence.
Blue Shift claims the honour of building Victory Munitions' millionth bomb, and film director Russell Joseph is searching for the perfect poster-girl to star in his recruitment newsreel. While he has eyes on Gladys, Management chooses Betty who, urged by Kate, accepts. Meanwhile, a rise in factory hankypanky prompts Lorna to pitch Harold on a factory "code of conduct" governing relations between men and women. Bolstered by Russell, Gladys finally finds the courage to confront her fiancé James about his past — only to be hit with an unexpected confession.
Loirna is asked to speak at the Armistice Day ceremony; James discovers some of Gladys' letters; Vera is forced to make a tough choice.
Set against the attack on Pearl Harbor. Gladys's (Jodi Balfour) secret job is exposed, while Lorna (Meg Tilly) grapples with a possible pregnancy and Kate (Charlotte Hegele) struggles to stand up to the return of her manipulative father.
With the war intensifying overseas, Gladys is inspired to organize a fundraiser for Canadian POWs, which her parents commandeer for their own means.
A surprise visit from a soldier makes Valentine’s Day special for Gladys. At the same time, Marco and Bob exchange words over Lorna, while Kate relies on her gift of gab when dealing with her dad.
Gladys travels with Marco and his mother to an internment camp in hopes of aiding Marco's detained father, while Lorna focuses her energy on impressing the girls at the factory. Elsewhere, Betty and Kate attend services at Leon's church; and Vera discovers the perks of being helpful to soldiers.
Lorna plans a dinner to celebrate Eugene's success. Vera and Carol move towards a tenuous friendship despite their differences. Kate decides to move on with her life
When a group of Maritimers arrive at the plant, one of the girls, Reggie, immediately draws Betty's suspicions and ire. Meanwhile, Lorna's hot-blooded son Gene convinces Gladys to join him on an adventure that leads where neither expected.
Rising tension between Lorna and Gladys is amplified by Gene's volatile behaviour. VicMu hosts a cavalcade to raise money for war bonds.
A worried Lorna worries for the safety of her sons during a difficult time. Meanwhile, Gladys isolates herself to fight her own private battles, and Betty has an unexpected reunion with a soldier.
Gladys spends a night out with the ladies dealing with unwanted attention from a mystery man and an inquisitive redhead. Elsewhere, Lorna persuades Kate to volunteer with her at the hospital where Shelia works; and Betty's budding relationship intensifies.
An intrepid reporter visits VicMu, shaking things up and causing Lorna to examine her value at work; Kate takes an innovative approach to jump-starting her career. Thanks to Clifford, Gladys sees a different side of her father.
Lorna takes up dancing and surprises both herself and the instructor; Kate and Ivan explore the terms of their engagement; and Betty learns what it means to date a soldier.
Gladys is torn between her duty and her friendships. Lorna wrestles with her family's changing dynamics and Marco realizes that people are working against him.
Detective Brodie questions Kate about her father's death. Clifford offers Gladys an unexpected opportunity. Lorna grapples with some serious decisions, and Betty demonstrates her love.
Spring of 1943: In the darkest hour of the war for the Allied Intelligence, a new and disturbing menace appears - a saboteur among the factory workers. Bomb Girl Gladys Witham (Balfour), is covertly recruited to find the traitor on the new line. She must spy on her best friends, co-workers and fellow agents, calling into question everyone and everything she has come to trust.
