High school senior Min-kyum has been left to his own defenses after his parents kicked him out of their lives. His new house is in a shabby neighborhood, the site of several mysterious assaults that have left victims with bite marks on their necks and blood loss symptoms. After moving in, Min-kyum heads out for a meal…then somehow wakes up at home with strange marks on his neck. He tries to shrug it off, but his deskmate at the new school looks suspiciously pale and familiar…