Now that the mystery man is starting to regain some of his memories, it seems that he is still Olaf Witte. But DNA research once again shows that he cannot be Olaf. The investigation focuses on an area where there used to be allotment gardens. Who visited the gardens around the time that Olaf and Alice disappeared, and did something happen to them there?

Karlijn is confronted with her own past when she comes under increasing pressure to solve the mystery. There are new victims in Schouwendam, and the paranoia of the residents takes on dangerous forms. When something is found in the forest, it turns everything upside down.