The world of Sydney and Danny is suddenly disturbed by Danny's twin brother Jeremy. With Jeremy living in a small villa on their estate in Italy, Sydney feels his eyes following her every move. His attention to her when Danny is away is unnerving. She discovers that she is falling in love with him and she hates him and herself for her unfaithful thoughts and desires.
Jeremy is so infatuated with Sydney that he can not live. He has no thoughts of any woman but her. He is in love and will let nothing stand in his way, not even Danny or Sydney. He desires Sydney and will do anything to convince her that she is in love with him and not Danny.
When Danny leaves for Brazil his plane is lost in the jungle. Will Jeremy convince Sydney that she should move on with her life and marry? Will Sydney marry Jeremy or the handsome financier Alan Brule? Will Danny return to Sydney before she marries?