 Jef is tickled pink angling club colleague Artur has a medical problem so he may take his place in the provincial championships, but it s on the same Saturday when Odilon and he would put new wallpaper in the student rooms, so he s happy to hear Jeanne wants that job deferred. As excuse to leave the house, he makes Arnold (for money) make a fake invitation for a nostalgic youth club reunion, supposedly a roller skates party so Jeanne won t actually go... As Odilon says the mayor could attend, Jeanne is determined to learn skating from Saskia. Stef needs money, so when he hears Filip convince Jeanne tab water contains an unhealthy and fattening amount of natrium, he decides to sell her  clean pit water  supposedly from an 80-year lean Uncle s home in the country, but is caught by Filip bottling it in the bathroom, so they split the scam 50-50. Filips sees it big and even convinces her to sell it in the shop, Mimi bites, but observant kid customer Vic sees him carrying in empty jerry cans...