The misadventures of patients in a mental ward, from the viewpoint of Sheena Jung, a nurse in the early stages of her career. Sheena works hard to take care of her patients and get along with her colleagues. She treats patients with various mental illnesses, such as mania, depression, delusion, and eating disorders. In the process, she learns how to treat her own self with love and kindness. (Source: NHN comico Corp.)