Tomek needs money. He scams an elderly woman using the "grandson" method. When it seems that everything is going according to plan, the woman suddenly exposes the swindler and locks him in the apartment. The old woman offers him a deal. Tom will get the money, but he must pretend to be her grandson in front of a social worker, who will come to check if the infirm woman has family care. If he sees that she doesn't - the woman is threatened with transfer to a nursing home.