Professor T is persuaded by a former student, now a police detective, to help her investigate a serial rapist. When he discovers his mother is trying to sell his long-abandoned family home, T makes a momentous decision.

When a blameless librarian is poisoned at a reception at the Museum, Professor T is called upon to help narrow down the list of possible suspects, but not everyone on the police team is happy with Professor T's involvement in the investigation.

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.

Out of prison, the Professor is desperate to get back to his work at the university and with the police. Detectives need the Professor's help to investigate a series of unexplained deaths before more people die.

The Professor is under suspicion after the murder at a Criminology Conference of his biggest rival, the man who replaced him at the university. Professor T must prove his innocence in order to regain his reputation and his job.

A woman is found dead at the scene of a car crash, but the accident didn't kill her. The Professor investigates and finds some uncomfortable resemblances to his own situation. How far will a mother go to protect her child?

Since Lisa's death, Jasper cannot face police work and is avoiding Dan. But when a woman disappears from a boat, Jasper is forced to help the police.

When Zelda brings Jasper to a retirement home to meet her date, a murder suddenly takes place. But Dan and Jasper working together causes tension.

When a school inspector is stabbed at home and a number of items are stolen, the team assumes it's a burglary gone wrong and races to catch the perpetrator.

While investigating an actress's stabbing on stage and a young girl is attacked, Jasper grows closer to Helena, and Chloe oversteps the mark.

Adelaide's painting is vandalized, and the gallery owner is killed, but Jasper is distracted from the case by learning of the DNA test on him and the Dean.

In the run-up to Zelda's wedding, Dan becomes obsessed with a dying man's final words, and Jasper finally decides to act on his own feelings.