Season 1 - Episode Guide

A loving wife and mother is shot in the head in broad daylight. The brutal murder is so baffling even seasoned investigators are stumped. Ten months later, another savage shooting with the same M.O. Is it a gruesome coincidence or are the shootings connected?

Detectives investigate when DNA links the murder of a teen and, years later and hundreds of miles away, the vicious stabbing of a woman.

The mysterious deaths of a cop and a firefighter are investigated.

Extreme pain and nausea strike a mother and her two sons, who are rushed to the hospital. Detectives launch an investigation when the trio then test positive for a deadly poison.

The murder of a young man found beside train tracks and the vanishing of his girlfriend are investigated.

A body is discovered in shallow waters of an old cement quarry, leading detectives to unearth a twisted relationship that ended in murder.

The brutal slaying of a married Toronto couple is investigated, with police turning to a criminal profiler in a bid to crack the case.