A sickly girl Ju-ran transfers to a new sanitorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She suspects the school for what's happening and tries to discover what secret is hidden.
In a tranquil countryside hospital, radiologic technician Yeon-woo suffers from a mental disorder, the result of a childhood trauma in which he witnessed his younger brother die in a car accident. Won-hee, the hospital’s newest nurse, shows an interest in Yeon-woo, but he doesn’t appreciate her advances-he doesn’t even get along with hospital colleagues he’s known for years. Through a few chance encounters, they gradually grow closer and he opens up his heart to her. However, Won-hee has a secret that she hasn’t told Yeon-woo, and it appears that their love will never be.
Yeong-ha is a teenager living with her mother who has recently remarried. After the high school exam, Yeong-ha is home together with her step-father and encounters something unexpected. After thinking it over, she decides to tell her mother what happened.
18 year-old Hye-hwa and Han-soo were lovers but as soon as Hye-hwa got pregnant Han-soo disappeared completely. Five years later, Han-soo suddenly appears in front of Hye-hwa and the two of them find out their baby is still alive. Hye-hwa doesn't believe Han-soo. However, after finding out her child had been adopted, she can’t help but weaken.
