In order to prevent the national crisis of low fertility, the Sexuality Management Committee is established in the country. When a couple (Mindo Yun, Kim Aarang) is not pregnant The national sexual life management commissioner (Lee Chae-dam, Kang Min-woo) They are dispatched to encourage pregnancy and enter into concentrated management. Officials are experts in this area, The role of the evangelist who conveys the correct knowledge of sexuality is also paralleled. It has formed a group of people loved by many people.