 Jo gives  tutoring  to schoolboy Pieter, but the subject is academic and yet all but intellectual: cheating at tests! Now Sam is gone, a new girl moves in, Pim Davignon, a railroad-worker s daughter who studies Press & information at a college without university status, but there s initial confusion she might be a daughter of tycoon Etienne Davignon. Odilon wins a trip to a bungalow park, but may only be accompanied by relatives- so Jeanne decides to pretend she s his wife and the students are their five kids; when the firm announces to send a photographer for publicity shots, they have to play the childish ages she invented at the telephone!