Cleve Marshall, an assistant district attorney, falls for Thelma Jordon, a mysterious woman with a troubled past. When Thelma becomes a suspect in her aunt's murder, Cleve tries to clear her name.
Romanian-French gigolo Georges Iscovescu wishes to enter the USA. Stopped in Mexico by the quota system, he decides to marry an American, then desert her and join his old partner Anita, who's done likewise. But after sweeping teacher Emmy Brown off her feet, he finds her so sweet that love and jealousy endanger his plans.
Gamblers who "took" an out-of-town sucker in a crooked poker game feel shadowy vengeance closing in on them.
