Suspects in a psychiatrist’s murder include the victim’s ex-husband, a patient suffering from multiple-personality disorder and her obstructive father.

The investigation into multiple homicides at a clothing store leads to the arrest of a schizophrenic who presents McCoy with a formidable opponent when he decides to represent himself.

When a woman is found unconscious at the bottom of her apartment stairs, Briscoe and Curtis must figure out what happened — before it’s too late. In order to make…