Margot, a beautiful, young, American psychologist living in Barcelona, seems to have it all: a happy marriage, a flourishing practice serving the ex-pat community and an enviable social life in this vibrant and culture-rich city. But when she is drawn into an obsessive, sexually charged affair and two of her clients are found dead in mysterious circumstances, she is forced to question her professional, personal and sexual boundaries. Whose secrets hold the key to the horrific death of the young lovers? Her husband's? Her lover's?