Slim Jim Carey, the leader of a criminal gang, is in reality a nobleman called Lord Talbois, and his daughter is the rightful heir to the family estate. When "Slim Jim"'s gang finds out about this, they conspire to cheat her out of her inheritance by passing off one of the gangster's girlfriends as the real daughter. Unbeknownst to the gang, however, their leader isn't dead and finds out what they're up to. Complications ensue.
Charming Sinners was a stilted adaptation of Somerset Maugham's play The Constant Wife. Robert Miles (Clive Brook) starts the ball rolling when he falls in love with Anne-Marie Whitley (Mary Nolan), the best friend of his own wife Kathryn (Ruth Chatterton). In retaliation, Kathryn begins a flirtation with her former boyfriend Karl Kraley (William Powell). After reels and reels of verbal fencing, the status quo is re-established, and Robert and Kathryn are reunited.
Laura Sergeant (Leatrice Joy), together with her husband, Humphrey Sergeant (Sidney Blackmer) operates a scam scheme to extort money from millionaires through blackmail and victimization until she mistakenly victimizes Tony Williams (Walter Pidgeon), the man she really loves.
When Letty Mason relocates to West Texas, she finds herself unsettled by the ever-present wind and sand. Arriving at her new home at the ranch of her cousin, Beverly, she receives a surprisingly cold welcome from his wife, Cora. Soon tensions in the family and unwanted attention from a trio of suitors leave Letty increasingly disturbed.