Couscous, the greatest detective in North Africa, is shocked to learn that Pépé The Goodstaire and his gang of dirty rats are to be let out of jail... FOR GOOD BEHAVIOUR. The sickly sweet Pépé and his dirty rats are just out to do some robbing, so Couscous lures them into a huge safe, which is really a paddy wagon, and it's back to jail for Pépé The Goodstaire.