Three generations (from season four onwards, four generations) of the Fazlinovic family all live in a Sarajevo apartment. The oldest of the family is Izet Fazlinovic. Izet has a son Faruk, who in turn has a son Damir. In season four, Damir's son Dzema is born. The show's title refers to the three main characters, with Izet being Lud (crazy), Faruk being Zbunjen (confused) and Damir being Normalan (normal). The show's plot revolves around humorous situations involving the Fazlinovic clan, their friends and co-workers.