Herman takes on a case of an assault, which is hard to prove. The girl, Ariane, claims she has been assaulted by her colleague Fred Vonk. Because Herman handles the case, his relationship with his daughter improves.
Meanwhile Wessel is confronted with the schizophrenic Nina, who is found at the police station regularly, but she can't be treated against her will. The cops see no other way to have her treated and take some forced measures.