A university professor gradually succumbing to blindness is entranced by an obsessive love, in this modern-day adaptation of a classic Korean fairy tale.

In coma for a decade, the twin So Yeon wakes finally up. But she can’t recall many things. Her other twin sister, Hyo Jin, died in the accident that led to So Yeon’s coma. Now that So Yeon has gained her consciousness back, strange things start to happen.