Professor T looks into the case of a shooting at the Cambridge Science Park.

Professor T is approached by a family who claim that the police have the wrong suspect.

Professor T investigates a case involving a missing child.

Professor T helps with a case involving the hit and run of a local jeweller.

Professor T investigates the suspected poisoning of a librarian.

Diana Tyson was violently attacked on the university campus where Professor T has tenure. DI Lisa Donckers suspects that the assault is very similar to one that occurred years beforehand, and, having been a previous student of Professor T's, she thinks he can help.