There is a fisher boat on the Maas. The two men on board constantly throw out nets and taking them up again. Rayna and Busse find this suspicious and ask the two what they are doing. They behave strangely and Rayna and Busse decide to take them to the police station. Soon they start to talk. A man, Klaus van Kemenade, ordered them to find a body in the river. They were promised 100.000 guilders. They already got 20.000 in advance. The police go to Klaus his address. There are his wife Lucy, his business partner Winston and his son Frederik. According to them, Klaus went to LA for business and he usually didn't phone home when he was away. The police find out that Klaus wasn't on a plane and never arrived at his hotel in LA. They also find out that Klaus has an apartment in Amsterdam, where he regularly invited call girls and he also had girlfriends when he was abroad. The advertisement business from Klaus and Winston wasn't doing well and one of them had to leave the firm. Frederik ...