Stone Age school boy Lint has a very happy first day back at school! Clan Chief Ghun has forgotten to appoint a new teacher. Eventually Clan Chief Ghun realises his mistake and appoints a teacher who puts a stop to all the fun. It's not long before the boys decide to take matters into their own hands once more. But this time, it's going to be a real battle, as the new teacher is strong, smart, armed and dangerous!