Rachel, a security guard who harbors a fear of the dark, is sent on assignment to secure an abandoned medical rehab clinic. It's a place with a supernatural history, where people have mysteriously disappeared. Alone and afraid, Rachel is tormented throughout the night by paranormal terrors, as she discovers the dead who reside here may be connected to buried secrets from her pa...。跟第一季一样,还是从Naked and Afraid《原始生活21天》好几季里选了12个选手继续扩大求生天数到40天。。多年来远离战乱,岁月安好的“无常镇”接连发生了一连串的意外死亡事件。侦缉队警察陈墨在调查的过程中,救出了溺水的少女白霜。他们一次次赶赴死亡现场,却一次次与死神擦肩而过。众目睽睽下的意外死亡,到底是天灾,还是人祸?。