Die Kehrtwende der Putzfrau

The son of a sanitation worker is the president of a conglomerate. On the day of his son’s engagement banquet, he unexpectedly discovered his daughter-in-law’s infidelity. He also bumped into his mother-in-law at the hotel entrance. His son’s wife and mother are unaware that the sanitation worker is the mother of the group’s president, and they humiliated her.