As the detectives dig further into the death of Precious Falade, they start to discover that everyone's relationships to each other are not what they seem. They also learn that there might be another death connected to Precious.
Professor T's therapist invites his mother to a joint session with the professor. Meanwhile, he observes the trial of a case from before his consultancy with the police, confident that the accused murderer is innocent.
We have our first look at James taking on a role akin to Siegfried for the veterinary trainee, Richard Carmody, while James and Helen consider starting a family. Season 4 premieres on WTTW and PBS in January, 2024.
The appearance of the police to question Karol about the death of Precious Falade could not come at a worse time. The investigation is disrupting everyone's lives, while the personal lives of Sunny and Jess are disrupting the investigation.
A museum curator is murdered, possibly by an antique sword, but that's not what interest Van der Valk about the case. It's that the victim was an important witness in a case that has haunted Van der Valk for twenty years.
The detectives learn more about Ebele and her daughter Precious' pasts as they try to figure out who killed Precious. They also find connections to the onetime social worker Karol and the infamous Tory politician Tony.
Professor T begins to work through his fears of the past and of intimacy with his therapist, while simultaneously helping solve a case in which all four members of a family are found dead by different means, with no sign of a struggle.
Citra and Eddie are proving to helpful members of Van der Valk's team as they try to figure out how killed Caspar Yuliani and where his girlfriend Marian Segers has disappeared to—if Van der Valk can only trust them.