Ik doe wat ik doe

Arie thinks he spotted Lena working as a prostitute in Amsterdam. Riek immediately wonders what her husband Arie was doing in the red light district. It turns out Lena was house-sitting for her friend Dolly, who soon moves into one of the spare caravans to set up shop. Meanwhile Huipie has mistakenly given a couple of German tourists permission to walk around in the nude.