If a dead man is caught out of the canal, he seems to be drunk in the water. Yet Fenna does not believe in an accident, she thinks more is going on. Liselotte is currently investigating the company of Kortooms & Co where the dead man Duco Witkamp has worked and tries to find out more about the company. Fenna is dealing with her new boss, Dries van Zijverden and her new colleagues.

The undercover operation at Kortooms is becoming increasingly dangerous for team members. Bram tries to survive on a construction site. Liselotte notes at the office of Kortooms that she is being viewed with more distrust. Evert also finds himself in a life-threatening situation.

When Liselotte realizes it is irresponsible to continue with the undercover action at Kortooms, it's too late. Bram must literally fight for his life. Fenna goes on to bring this case to a good end.