Jerry Mulligan is an exuberant American expatriate in Paris trying to make a reputation as a painter. His friend Adam is a struggling concert pianist who's a long time associate of a famous French singer, Henri Baurel. A lonely society woman, Milo Roberts, takes Jerry under her wing and supports him, but is interested in more than his art.

Soon after a veteran's return from war his cheating wife is found dead. He evades police in an attempt to find the real murderer.

Lotus Long plays the title role, an American-educated Japanese woman broadcasting enemy propaganda to American troops. Captured GI Pete Sherman is one of a group of POWS slated to be interviewed on Tokyo Rose's radio program. Instead of advising his comrades to surrender (as ordered), Sherman uses his innate Yankee knowhow to hoist the treacherous deejay on her own petard. Managing to make his escape, Sherman hooks up with the Japanese Underground, convincing anti-militarist Charlie Otani to aid in a kidnapping plot aimed at Tokyo Rose.

Left by a con man, Belle De Valle, a dancer, finds him again in gold-rush Alaska running an honest casino/dance hall.

An English lady falls in love with a French pirate after he kidnaps her from her ancestral home on the coast of Cornwall and sweeps her off her feet into a world of adventure.