Under the Cherry Moon (1986)

Two cousins from Miami, Florida are in the Mediterranean, enjoying life by scamming money off of rich women. One day, they read about a young woman, Mary Sharon (Dame Kristin Scott Thomas), set to inherit fifty million dollars from her father. At first, Tricky (Jerome Benton) has Christopher Tracy (Prince) talked into romancing her for her money, but as he gets to know her, Christopher falls in love with her. This love comes between the cousins, and Tricky tells all about the plan.