Shattered (2010)

Ben Sullivan is a tough, smart homicide detective with Dissociative Identity Disorder, also known as Multiple Personality Disorder. In the first moments of the series, Ben is bonded in blood to his tough, beautiful partner Amy Lynch. While they work to solve the murder cases that cross their desk daily, Ben copes with the fascinating complexities of his secret disorder, and the uncertainty of never knowing which alternate personality will surface, or when.