Char and Diana Mansville, two sisters in their early twenties, lose their parents in a tragic accident. Finding themselves on the brink of financial disaster, they re-locate to southwest Florida to live with their aunt, a beautiful and wealthy ballroom dancer. Once there, they meet handsome and charismatic Roland Donovan, who is a sociopath and involved in a deadly insurance scheme. Stricken by Diana's beauty and charm, he sets his focus upon her and relentlessly begins his pursuit of her.