Who in the Pool(恐怖游泳馆)

A friend of the dead, let Kocho has been self-blame, and even the intermittent amnesia, fantasy and other illnesses. Mo Fan booked wedding planning a terrorist, a terrorist deliberately let Kocho experience, a way to cure the disease Kocho. But the order of the day of the wedding, things are going out of control, my friends disappear one by one...