Elna Curry, once a concert pianist, develops an unfounded jealousy of neighbor, Trudie Morrow. Elna who suffers from neurasthenia, believes that Trudie is having an affair with her husband, John, and vows revenge on Trudie. John explains to Trudie Elna's condition and plan. Trudie, being good-hearted tells John that she'll move. One evening, John returns late from work to disco...
A young Canadian nurse (Betsy) comes to the West Indies to care for Jessica, the wife of a plantation manager (Paul Holland). Jessica seems to be suffering from a kind of mental paralysis as a result of fever. When she falls in love with Paul, Betsy determines to cure Jessica even if she needs to use a voodoo ceremony, to give Paul what she thinks he wants.