Lightnin' and Mary Jones are co-owners of a hotel built right on a state border, used by divorcing wives so they can pretend to be in California while establishing residency in Nevada. When Lightnin' refuses to sell his share of the hotel to a gang of crooks, Mary is coerced into divorcing her husband so that she can sign over the deed herself.

Yvonne, proprietor of a Paris gown shop, marries Pierre, a poor artist, concealing from him an affair she had with Rigaud, an elderly boulevardier who bought the shop for her.