Xiao Han is a 17-year-old high school girl. She missed the chance to see her sister for the last time because she couldn't stand the morbid atmosphere of the hospital and ran away. Remorseful, she wanders the halls of the hospital aimlessly, until she meets a volunteer wearing a clown's red nose, the Clown Doctors. To make up for her loss, she volunteers to join the Clown Doctors to help bring laughter to the sick kids in the hospital! But amidst the life-and-death drama of the hospital, and the pressure of the training, can Xiao Han withstand it and successfully complete her training? (Source: Creative Comic Collection, translated)