The arrival of new "bomb girls" bolsters the workforce at Victory Munitions, but tensions develop between the two groups of workers. Gladys finds herself on the receiving end of Gene's attentions and rebuffs him. Vera sets her sights on becoming office manager but has a rival who also wants the job and will do anything to get it. Meanwhile, Marco is convinced that somebody is trailing him.

Preliminary reports of an Allied raid on the German-held port of Dieppe electrify the nation. Gladys has her own battles to fight, including dealing with her guilt over James's death. Lorna finally gets her long-coveted home telephone but finds that the phone can bring bad news as well as good.