A crazy comedy about what caused a passion for solving crossword puzzles. An insurance company representative writes a report with the Sluks about an accident that happened in their house. Mrs. Slavíková went shopping while her husband was filling a ten-liter pot with water that was on the stove. Mr. Kukačka stayed home, sick, and his wife went to visit relatives. But the husband used his illness to cover up his antics. Mrs. Sluková was doing a crossword puzzle and was looking for the word "seductress at six". She asked her husband to go borrow Mr. Slavík's crossword dictionary. Then Mr. Slavík's door slams shut, his pot of water overflows, and the gas goes out...