Bad luck follows a doctor to an isolated beach: there to escape heartbreak, he comes upon the very woman he was trying to leave behind. Mary is an outgoing 20-something who seduced him only to end their torrid affair when she had tired of the doctor. But Mary isn’t traveling alone. Her sister is there with her husband, who happens to be another one of Mary’s recent ex-lovers. Jealousy and passions abound on this fiery vacation until, one day, Mary turns up dead in her room. And everyone is a suspect because, at some point, everyone loved and hated Mary.