Martha (Katie Boland), 18, sees the world as animated and fun. She has a form of autism that means she is a mathematical genuis whilst incapable of looking after herself. Living in a dull routinewith her cousin Nicole (Brooke Burns), and mother Josephine (Amanda Tapping), she sees the good in everything and everyone. But suddenly, her mother is the casualty of a brutal crime before her eyes and Martha is sent to a foster home. Nicole is distraught and battle for custody of her cousin, but the police constantly block her requests. Finally, Detective Velez relents, on one condition: Martha must help solve the crime and find justice for her fallen mother.

A Victorian-era Toronto detective uses then-cutting edge forensic techniques to solve crimes, with the assistance of a female coroner who is also struggling for recognition in the face of tradition, based on the books by Maureen Jennings.

Years ago, the Taelons came to Earth, offering friendship and technology to humanity. But there are those who believe the Taelons have more sinister motives.

Three tales of terror: in "The Graveyard Rats" lovers murder the woman's older husband and encounter horror when they attempt to rob his grave; "Bobby" is the story of a woman who summons her son back from the dead; and in "He Who Kills" an African doll goes on a murderous rampage.

Duncan MacLeod cannot die -- he is a 400-year-old immortal, who has seen his share of humanity's history. Still, he risks his life in battle against other immortals and tries to save people from harm.