When rich-girl Gladys Witham takes an office job at Victory Munitions, she discovers a new world - a fascinating sisterhood and a cause that she hopes may change her life.

The women at Victory Munitions must band together when the blame for an accidental explosion is laid at their feet.

A surprise inspection puts Victory Munitions 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 an accused Kate's innocence.

With Armistice Day nearing, battles near and far get cast into stark relief. Lorna struggles to free herself from Marco while Gladys's secret engagement is exposed.

Set against the attack on Pearl Harbor, Gladys's secret job is exposed, while Lorna grapples with a possible pregnancy and Kate struggles to stand up to the return of her manipulative father.