if only you knew that that damning phone call would turn your life to a living hell, then you wouldn't had picked up the call.

but it was too late now, she's after you and she holds your past that would change your present.

a deal is a deal. and you signed it with a devil to save yourself.

"hello, dearie." young-sook softly whispers on the phone with dangerous playfulness that belongs to a cold-blooded killer, not the girl you befriended.