Watch on SFlix. To prevent the national crisis of childbirth, the State makes the Sex Life Management Committee. When a couple (Doyoon Min, Arang Kim) could not get pregnant, the person in charge of the National Sex Life Management Committee (Chaedam Lee, Minwoo Kang) was dispatched to encourage pregnancy. Since the officials in charge are experts in this area, they have been given the role of evangelists who hold the wrong position and convey the correct sexual knowledge.