A pharmaceutical group recruits temporary workers to experiment with the latest drugs, with attractive salaries, and some college students under financial pressure apply. Unexpectedly, after the injection of this drug, some people had hallucinations and could foresee in advance what was going to happen, and one of them even predicted that they were going to die. At the same time, a killer lurking in the building was approaching them to execute the death sentence. To make matters worse, killers always know in advance what they are going to do next. There are demons who want their lives inside, and there are many difficulties covered with blizzard outside. Can they break free from the fate of death? And who is that latent killer? What is the motive? Is he handsome? Did you have an unhappy childhood?