While the team is closing in on drug lord Mark Desmedt, John discovers that Chief Inspector Rabet and Serge are both working with the criminal. Professor T asks Annelies to assist him with his research in determining the exact profile of a murderer. He wants to find out whether Flamant will be capable of murder when she finds out that her new boyfriend is not what he appears to be.
An undercover agent, who's embedded in the drug scene, is found dead.
A student at a strict Catholic boarding school is found dead in her room.
Professor T's classes are proving popular.
