In this magical tale of love and betrayal eccentric sisters Grace and Violet live in the middle of nowhere shadowed by the eerie phantoms of their younger selves. Since childhood, Grace and Violet have been isolated from the outside world in an attempt by their father to incite heightened creative and telepathic abilities. When one wakes, the other rises; when one feels pain, the other cries too; and when one can't breathe, the other gasps for air. As a dare, and in an effort to please their dead father, the two sirens bring a man into their dysfunctional home, a good-looking drifter named Luke. Luke is drawn into a devastating m nage a trios, unwittingly helping thesisters in their plan to have a baby so they may continue their father's experiment. Violet breaks the rules and falls desperately in love, threatening the sisters' unity. As Violet and Luke grow closer the pain of this betrayal drives Grace to despair. As she begins to lose her mind, she creates a chain of events that endangers not only the experiment but also their lives.