People have been mysteriously killed by a beast. The citizens of Seoul are scared and fear for their lives. Eunhyuk was a trainee at SM. With his friends Junsu, Kibum and the recently joined trainee, Donghae, he goes for regular training sessions. Eunhyuk was never too concerned about the attacks, until the deaths started to get close. Very, very close.

Donghae, a quiet student, finds his life turned upside down because of her. Jessica.