Professor T

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.

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.

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.

Professor T 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 what order and at whose hands?

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.

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.

When an attempt is made on a billionaire businessman's life, Professor T suspects the culprit may be much closer to home than the police suspect. Meanwhile, it's Professor T's birthday and with it comes a haunting childhood memory.

Professor T befriends a vulnerable girl and is convinced she is the key witness to a murder. Dan and Lisa agree to go on a date, but when her boss confronts her about their inappropriate relationship, Lisa makes a bold decision.

Professor T is called upon to help investigate the disappearance of a six-year-old girl. Tensions rise between DI Paul Rabbit and Prof T until they finally come to blows.

Professor T becomes embroiled in a hostage situation, but his unconventional negotiating tactics do not go down well with the police. Old flame Christina reveals all is not well with her marriage.

When a blameless librarian is poisoned at a drinks reception at the museum, Professor T is called upon to help narrow down the list of possible suspects.

Professor T is persuaded by a former student - now a police detective - to help her investigate a serial rapist.