The movie follows a group of resistance radio broadcasters in Nazi-occupied France as they evade capture alongside a Jewish family.

Nancy Carroll stars in Manhattan Cocktail as Babs, a college coed who dreams of becoming a famous actress. Joining up with her campus chums Fred (Richard Arlen) and Bob (Danny O'Shea), likewise aspiring thespians, Babes heads to Broadway with stars in her eyes. The winsome threesome are quickly disillusioned by the heartless machinations of nasty producer Renov (Paul Lukas) and his harridan wife (Lilyan Tashman). Before the plot proper gets under way, the audience is regaled with a cute "mythological" prologue, featuring the same three leading actors. Manhattan Cocktail was a silent picture, except for two brief musical numbers showcasing Nancy Carroll.

Rachel Singer is a former Mossad agent who tried to capture a notorious Nazi war criminal – the Surgeon of Birkenau – in a secret Israeli mission that ended with his death on the streets of East Berlin. Now, 30 years later, a man claiming to be the doctor has surfaced, and Rachel must return to Eastern Europe to uncover the truth. Overwhelmed by haunting memories of her younger self and her two fellow agents, the still-celebrated heroine must relive the trauma of those events and confront the debt she has incurred.