A mysterious diver hiding in Amsterdam's canal system embarks on a rampage of gruesome murders, terrifying city officials and leaving few clues for the city's best detective, who doesn't suspect that both his new girlfriend and twelve-year-old daughter may be closer than he is to finding the killer.
In the guest-house of sister Klivia, the inhabitants are very cheerful and good-hearted persons whose open communal lifestyle is contrasted with the life of somewhat nasty and complaining neighbour Mr Boordevool. Boordevool has spent ages looking for reasons to shut the guest-house. One day a girl from the guest-house meets a nice young guy Gerrit. Sister Klivia lets Gerrit stay regardless of him being a thief. Will that give a chance to the insinuations of the neighbour?
The Dutch football team has just released the heroic World Cup final lost to archrival West Germany. The whole country is in mourning and Jaap Kooijman throws out of sheer frustration the brand new TV out the window. This event is the prelude to an equally comical , exciting and touching family film.
