Min-ji is sick and tired of her boring housewife life and unhappy marital relationship. Her friend Hye-jeong lives the exact opposite. She envies Hye-jeong like that. Min-ji who is frustrated with her desires, starts to notice Sang-soo, Hye-jeong's husband. Min-ji approaches Sang-soo while Hye-jeong is not at home, and Sang-soo starts to worry about Min-ji. Will the two men and women be able to enjoy the secret meeting without getting caught by their husbands and wives?