Milování zakázáno.

After many years, three friends are to meet in Prague. The magician Marek was in America and, together with his nephew Tonny, they are bringing back their hard-earned money to their homeland. The factory owner Brejcha lives alone. His wife and daughter drove him to bankruptcy and abandoned him. The eternal student Netušil arrives from the countryside with his loving wife, the owner of a greengrocer's shop, and his daughter Anča. In the meantime, the creditors have completely evicted Brejcha's villa. Marek mentioned in a letter that he would like to marry his nephew to Brejcha's daughter. Little did he know, in order to help Brejcha, he comes up with a plan. His wife and daughter will become Brejcha's family and the money received from Marek will help the bankrupt factory owner pay off all his debts.