E1 - Ring of Fire

Aired: September 16, 2022

When a student is left badly burnt and in a coma after a house fire, the CID team call in Professor T after it emerges the victim was drugged.

E2 - The Mask Murders

Aired: September 23, 2022

A prominent barrister and his wife are found shot dead in a crime that has uncanny similarities to a double murder that the barrister successfully prosecuted 15 years earlier.

E3 - The Family

Aired: September 30, 2022

The Professor is asked to decipher a macabre puzzle when a doctor and her family are found dead in a grisly tableau on their living room sofa, each having died by different means. But in which order and by whom?

E4 - DNA of a Murderer

Aired: October 14, 2022

When an artisan baker is found dead after receiving death threats, the police appear to have an open and shut case against the son of a convicted murderer who was sent to prison thanks to the baker's testimony.

E5 - The Trial

Aired: October 21, 2022

Professor T conducts a series of lectures for his students detailing a high-profile court case in which a caretaker is accused of murdering his employer; the accused was found standing over the victim's body and his fingerprints on the murder weapon, but Professor T is convinced of his innocence, bringing him into conflict with the CID team and DI Paul Rabbits as the investigating officer.

E6 - Swansong

Aired: October 28, 2022

After discovering the body of an undercover police officer, the CID team blunder into a Drugs Squad operation against a major trafficker that appears to implicate one of their closest colleagues.