When Shona's mystery heart problem becomes worse, her doctors are forced to take extreme measures. Sharing a body with another person isn't exactly the side effects of the surgery anyone could have predicted. The doctors try to convince them that Shona suffers a condition they call "split personality," but Shona's parents, boyfriend and best friend know better. Does Shona have the strength to regain control of her body, and do her friends and family have the patience to give her the time she needs?