After his cattle rancher boss dies, right-hand man Pike is given the job of returning $86,000 to some families who live across the border in Sonora, Mexico. Honest Pike is joined on the trip through the wilderness by a dishonest gambler named Tyree.

Refusing an arranged marriage, young aristocrat Carmela is sent to a convent. Her arrival intensifies the power struggle between the debauched nun Elizabeth and the stern Mother Superior, as both are smitten by Carmela's beauty.