Watch Illusions of Sin for Free: How to Stream the Movie Online at 123Movies. . When a mysterious incident nearly claims the life of a beautiful actress during rehearsals for her upcoming play, everyone deduces that her ambitious understudy, Elizabeth (Mellara Gold), is the guilty party. But when Elizabeth discovers that she's become the object of a secret admirer's obsession, she begins to suspect that the murder attempt was a twisted effort to win her heart. Eric Gibson directs this erotic mystery.