 Jef and Odilon lie to Jeanne they ll put up wallpaper at Odilon s so they can go to a snooker match. Jeanne s complaints about the many white lies leads to a kitty which gets 100 francs (2.5 Euro) per lie- a costly arrangement, and not just for the students, and the truth can hurt more then lies. Flowers from a secret admirer are delivered daily for Betty by a cheerful kid who thinks Jeanne is the recipient, but there s a twist. Odilon surprises everyone by solving crosswords definitions even beyond Charles-Victor. Pranks escalate.