When Sam Grey joined the ATS, she wanted to find adventure, not end up doing office work in Liverpool. Sam wants to show that she is as brave as any man, and when she doesn't get the chance, her lively nature leads her into confrontation with her authoritarian boss. Sparks also fly when she encounters Johnny, whose heroic work in bomb disposal makes him very attractive to many but Sam is determined not to fall for his charm. Meanwhile, Sally wants nothing more than to protect her small children while her husband is a prisoner of war. She works hard to stave off poverty, doing shifts in a factory and singing at the Grafton ballroom. But help is at hand, from a most unlikely source.