6 student had to stay at their school in the night because of their worst result.But one by one was missing.They were kill or what?Who kill them,their teacher or one of them?Who will be escape from this nightmare?They had to hurry if they want to escape from the danger.

Character

Kim Sunggyu

Lee kikwang

Lee Hoya

Kim Dongjun

Lee Taemin

Shin Dongho