On his first assignment in a new division that pairs police officers with psychiatrists, the erratic Detective Aidan Black and Doctor Daniella Ridley must solve the strange murder of a young boy found stabbed, and with a lightbulb sticking out of his chest.

Psych Crimes investigates the connection between a manic patient's apocalyptic hallucinations, and a violent murder. 

A bullied schoolgirl violently lashes out at her tormenters, Aidan and Daniella dig into her home-life and find bizarre ties that extend well beyond the family.

Psych Crimes investigates an assault against a psychiatrist - the key witness in a hearing that could set a murderer free.

When a young man with Tourette's syndrome stumbles across an abandoned baby, Psych Crimes searches for the birth mother, and finds more than one heartbreaking story of motherhood and post-partum psychosis.

Psych Crimes investigates the murder of one member of a feuding rock duo after the bipolar lead singer is found raving and naked atop a billboard.

A washed-up hockey enforcer's fragile mental state is called into question when Psych Crimes uses him as an agent in an operation against a cold, manipulative criminal. Meanwhile, psychiatric nurse, Leo, is corralled by Homicide to help with a murder investigation.

A high school girl's dramatic and macabre suicide leads the Psych Crimes team into the heartbreaking world of bullying, and the dark and tangled web of teen girl social dynamics.

A coroner's inquest into the accidental death of a young boy turns into a witch-hunt against Aidan who finds his fitness for duty the subject of vicious debate.

In the aftermath of the inquest, Aidan and Daniella clash while on the hunt for a serial rapist with an odd fetish signature.

A brazen daylight robbery takes a turn for the bizarre after one of the thieves has a mid-robbery mental breakdown, which lands Psych Crimes the case.

After the husband of a well-known human rights lawyer is found murdered with his body contorted sadistically, Daniella and Aidan's search for the killer lures them right into to the terrifying world of psychopathy.