Seokbong and Yuna are a married couple. Hyemin and Jisoo live next door to them. Unlike Seokbong and Yuna, who lead an exemplary family life, Hyemin and Jisoo are a free-spirited couple. However, in fact, Seokbong and Yuna are a sexless couple who cannot open up to each other and are suffering. One day, Hyemin notices Yuna's loneliness and attacks her, and Jisoo also finds out about it, and the free-spirited couple decides to help the couple. Seokbong and Yuna, who receive their coaching, return to being a harmonious family. As time passes and the couple becomes bored again, they ask the couple for help again...
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