Perception

Kate Moretti asks Dr. Daniel Pierce to determine the mental competency of a man being retried for murder; Moretti's soon-to-be-ex-husband prosecutes the case.

Pierce's imaginary girlfriend threatens his real-life relationship.

Pierce to realizes that a killer is trying to send a message.

An environmental activist asks Pierce to work on a case.

Pierce and Moretti try to solve the murder of a man playing a game online.

Pierce partners with Donnie to investigate the malfunction of a device.

Pierce determines the credibility of a man's death-bed confession.

Pierce investigates a stabbing at a psychiatric hospital.

Donnie tries to help a war hero who suffers from a neurological disorder.

Moretti faces criminal charges after taking matters into her own hands.

Pierce fights for an autistic teen who is under interrogation for murder.

Lewicki's brother shows up unannounced.

Pierce receives a tip that the CIA might be assassinating U.S. citizens.

Pierce's mental stability is questioned when he is accused of stalking.