Shin Seol is a virgin female urologist. Her main job is to give medical treatment to men who have lost confidence in their performance at night. Seong Ki is a male obstetrician who suffers from a traumatic memory. After failing to deliver a baby in a Cesarean section, he becomes impotent even with the sexiest girls. When the two open clinics in the same building and become neighbours, they seem to disagreeabout everything. One night, Seong Ki finds Shin Seol blind drunk in the street and carries her home. When she accidentally touches his thing, strangely enough, it responds.