Island Wives.

Elsa, a young wife living on an isolated South Seas island, is restless, bored and wants to leave. The manager of the island trading post lusts after her, and when her husband leaves for a business trip but is caught in a typhoon, he makes his move on Elsa. While she manages to escape his advances, she winds up being "rescued" by a wealthy playboy who persuades her that her husband is dead. Complications ensue.