Sa-Hee

Despite her disabled leg, the Ph.D. student Jae-yeon is a brilliant researcher with a rare ability to communicate with nature. Having been hurt by her hypocrite colleague and lover, she turns her back to the world and goes deep into the forest to live alone in a glass garden.

After losing his family when he was young, Nam-soon feels no pain. He cannot feel physical pain and is emotionally barren until he meets Dong-hyeon, who calls herself a vampire because she suffers from hemophilia. Unlike Dong-hyeon, when Nam-soon is injured, she bleeds from even the smallest wound. As the two grow closer, Dong-hyeon suddenly begins to lose his lifelong insensitivity to pain and the hurt of a lifetime washes over him.

A blind witness and a runaway help the police find the suspect in a hit and run until the culprit realizes that they are close on his trail. The killer tracks her down and Soo-ah realizes that in order to save Gi-sub she would have to risk her life.