The Kijima and Toyota families, who live in the same apartment building, get together once a month. The Kijima family is dominated by their husbands, Airi and Yukiko of the Toyota family are dominated by their wives, and they get along well when they complain about their troublesome husbands. A few days later, the Toyota husband refuses to go to work, so Airi, who has a strong Airi of responsibility, goes to listen to him in place of the busy Yukiko. There, Airi finds out that the Toyota husband has quit his job, and deciding that it is not a situation that can be left unattended, proposes a couple swap between her husband and Yukiko...