Chan-woo, who has been studying to become a police officer for 5 years, joins his friends for dinner to ask for the money to apply for his exam and ends up getting drunk. He completely blacks out and wakes up not remembering what happened in his next door neighbor's room. Not only that, he finds a bloody corpse in the middle of the room. He hurries back to his room and tries to...。讲述了一个美国国防部高级研究计划局科学家接受一项致命任务,带领一队精挑细选的三角洲部队士兵进驻一个被战争摧毁的城市,这里游荡着被称为“幽冥”的神秘幽灵,它们无形无色,能在不经意间造成大规模的伤亡。。