Associate Professor Jakub Johanek was looking forward to his uncle's inheritance and celebrated it with his friends in advance, not knowing what treasures he could actually expect. He had a few too many drinks and woke up the next day with a perfect window. He is tormented by a hangover, and on top of that, the housekeeper comes in with a statement that he robbed her daughter of her wedding ring yesterday - so the associate professor is in for a quick wedding. Although Jakub has been eyeing the girl for a long time, he now has completely different concerns. He has been approached by a certain loafer who claims to have seen Johanek set fire to a stack of wood at night with his own eyes. If he doesn't get a hefty ransom, he will go and report him...