Mundir is a loan shark in a small Serbian town, a former boxer with diabetes. He is old school, he realizes the times have changed, and that money lending business is not what it used to be.
In a series of comic situations, the hilarious Simeon, with the help of his extramarital sons, Momir and Dragan, and his roommate, Marina, manages to deceive everyone he meets on the doorstep of his apartment in the center of Belgrade.