The flat of Doctor Bartha is wetting, the Communal Management Enterprise does not act, the doctor and his wife are at the edge of divorce. Géza would marry his colleague, Kató, but mum is sick, the apartment is small, no money. Uncle Károly is fed up with unsuitable, charlatan business managers. Vali would marry, in order not to live on Titi and Piri any more, but the selected man wants to have a woman with her own apartment. All of them have a chance by the lottery, especially by hitting twelve scores.