Peter Aerts

Five friends from 'Maaskantje' are getting fired because of the economic crisis. They decide that they won't pay for anything anymore.

Handsome, clever final year law student Koen avoids being beaten up by street thugs by claiming he's a maternal cousin of crime baron Henk de Koning. The next day, 'uncle' Henk praises Koen's wit and commandeers his 'cousin's' help to retrieve the treasure presumably hidden by disloyal accomplice Sjon de Nooyer, who was released from jail to a retirement home, by volunteering as an orderly, posing as Sjon's distant relative. Dirty police detective Uitenhaage is after the same fortune, and leans independently on innocent Koen to spy on Sjon.

Max Slim is inventor, but not the best. With all his findings, something is wrong. But when the rest of his brilliant inventors famile are taken to the annual inventions festival by their major competitor Teslison, Max is the only one who can save the Slim Family.