A plastic surgeon is killed and the police are looking for a woman he spent the night with. Professor T believes she is innocent but Commissioner Flamant has forbidden her team to contact him for help. Professor T begins his own investigation, with serious consequences. Meanwhile, Annelies, agrees to go on a date with Daan and Professor T's mother becomes increasingly concerned about her son.

The call girl who visits Professor T is found dead in her apartment. The police believe she has committed suicide, but Professor T is not so sure and hides the fact that he knows the victim to stay on the investigation team. Inspector Rabet is back and he hasn't forgotten that Professor T betrayed him in front of his colleagues and Annelies and Daan are not speaking to each other.