The detectives investigate numerous suspects in the murder/robbery of a rare coins dealer.
A kindly janitor is shot to death and the only clue the detectives have to follow is the oddness of the apparently homemade bullets. The bullet trail leads to a college student who may suffer from schizophrenia and, more specifically, his experimental treatments.
What seems like a random shooting becomes more convoluted as it turns out the hitman's victim was himself a murderer.
The detectives believe that the victim in a murder was mistaken for someone else. A loan company comes under investigation as another body is discovered. McCoy tries to go ahead with the conviction, but weighed down by a lack of evidence.
A dismembered female body is identified to be a major film studio's head and the detectives try to follow leads in Los Angeles.
A tape incriminates a new suspect is discovered by clerks; Ross manipulates her ex into discussing a plea.
A man is arrested at his wedding for a crime he didn't commit, but turns out to be the only witness to. The groom to be gets testimony cold feet when he starts receiving death threats.