The life of John Forbes, an insurance company executive, becomes more exciting when he encounters Mona Stevens. Her jailed boyfriend robbed a business insured by the Forbes' company. When he goes to see Mona to collect the stolen loot, he falls hard for the femme fatale.

Rumors of infidelity in her first marriage threaten Lucy Satterly impending nuptials. She asks her ex-husband to tell her fiancé that she never strayed. He agrees, though he believes he's lying thorough his teeth. Complicating matters is the arrival of the man who was supposedly her secret lover.