An American showgirl becomes entangled in political intrigue when the Prince Regent of a foreign country attempts to seduce her.

For as long as crime boss Albert Mendoza (Everett Sloane) has been running a notorious ring of hired hit men, District Attorney Martin Ferguson (Humphrey Bogart) has been hunting him down. But Ferguson cuts a deal with Mendoza's henchman Joe Rico (Ted De Corsia), and the mob boss is finally arrested. However, Rico dies mysteriously before he can testify against Mendoza.

A glamorous European countess meets small town America and it’s a novel experience for both. Tongues wag, the gentlemen preen and the town’s moral crusader finds himself unpleasantly in love.