Meet Mastro-Yannis, who, together with his assistant Vlasis, is capable of turning your household upside down. The biggest mess-makers in town, they get involved in unbelievable situations, blunders, and romantic adventures every day, while defending their business against Meremet Service, a multinational company that wants to shut them down. In this film, Kostas Tsakonas was injured when he fell from a folding ladder while trying to climb up to the attic to fix a water heater, and filming was halted for ten days.