Dr. Lynn West is an accomplished psychiatrist who cares deeply about her job, making people well. Dr. West might be facing her most difficult case yet, in one Aviva Reynoso, or make that three... at least. Aviva is suffering from Dissociative Identity Disorder, and struggles for control against unpredictable and seductive Ava, and violent aggressive Manny. Dr. West hopes to get to the root of Aviva's mental illness to help her heal, but faces stern opposition from Ava, who likes being in control and refuses to give it up!