Four friends wanted to get away from it all for a birthday celebration in a remote country house, but when a mysterious injured man turns up on their doorstep telling tales of a city ravaged by a mysterious epidemic and the looters who have pursued him, the friends rally to help. As the night progresses, it becomes clear that all is not as it seems, plunging the friends into a battle for survival that challenges their deepest fears. 　　译文(3): 四个朋友想逃离这一切，在一所偏远的乡间别墅里庆祝生日，但当一名神秘的受伤男子出现在他们家门口，讲述一座被神秘流行病肆虐的城市和追捕他的抢劫者的故事时，朋友们聚集起来提供帮助。随着夜晚的推移，很明显，一切并不像看上去那样，这让朋友们陷入了一场生存之战，挑战了他们最深的恐惧。