ataru, who works as a worker at a construction company in Tokyo. The company he works for is a family business, so the executives who are related to the president receive favorable treatment, but the other employees are made to work like horses. Ataru was treated unfairly because he was a sloppy and delinquent employee among such employees, and eventually he was made to be the president's servant. Then one day, when he went to the president's house, he decided to take revenge on Moko, the president's young wife, out of spite for the president...
