New evidence causes the cold case of Professor T's father's suicide to be reopened. Professor T, with the help of psychiatrist Helena Gijselbrecht, explores his subconscious to finally get to the truth.

A pleasure cruise on a luxury yacht ends dramatically when a young woman is killed and thrown overboard. Professor T, with the help of Christina Flamant, has been able to obtain the police file of his father's death.

Saskia is an eye witness to an accident involving a homeless person. Just before he dies, the man confesses to a murder. Professor T. has discovered his mother's journals, which contain some surprising revelations.

A visitor is killed in a pensioners home by a resident suffering from dementia. It looks like an unfortunate accident, or does it? Meanwhile, Professor T. continues his investigation into his father's suicide.

Consternation at the faculty when professor Van der Weyden, who temporarily replaces professor T, is run over on his bike in a hit-and-run. Rumor has it that professor T is involved.

A successful mystery novelist has committed suicide. However, the police have their doubts, especially because the author has described his own death in one of his books.

A prison guard is found dead in the showers. Because the man had a bad reputation, there are a lot of suspects.

A man is found dead at the side of the road. At first sight, it looks like a hit and run, but the police inspectors have their doubts. Meanwhile, Professor T has been found mentally sane so he risks the maximum penalty.

With his trial date approaching, Professor T. is assigned a young inexperienced pro bono lawyer.

A hearing is scheduled to decide whether Professor T. will be released from custody pending his murder trial.

When a dangerous criminal escapes prison, the police once again needs to rely on professor T's extraordinary skills to solve the case.

Still in jail, things are going from bad to worse for Professor T. But then he receives help from an unlikely source.

After having shot a police inspector in cold blood, Professor T. is sent to prison.