讲述轰动大韩民国的连环杀人团伙和不管用什么方法都想抓住他们的刑警之间的故事。

　　当丈夫患上梦游症，夜晚完全变了一个人，一对年轻夫妇的生活就发生了翻天覆地的变化。妻子十分担心丈夫会伤害他们的新生儿，再也无法入睡……

　　“水杀鬼”是一种必须附在人身上才能脱离水中的恶灵。随着妹妹秀雅（朴兰 饰）被恶灵袭击，佳英（朴善惠 饰）一家悲痛不已。虽然曾是巫师的母亲金贞利用五行相生、相剋的特性想赶走恶灵，但秀雅仍消失在冰冷的水中。某天，佳英为了寻找突然消失的母亲，走向吞噬妹妹的水库，并在那发现了可疑的尸体，佳英还被以死去妹妹的模样现身的鬼追杀……

A boyfriend, who can barely speak English, embarks on an overseas trip with his girlfriend, who takes charge of planning everything and even handles communication on his behalf. However, their journey turns into a nightmare when they barely make it to their accommodation, and strange knocking sounds start emanating from the room. To make matters worse, the girlfriend disappears while taking a shower, and the police immediately suspect the boyfriend. With meticulously crafted initial ominous situations, such as the flight delays, the rental car agency closing its doors, and a major traffic accident experienced shortly after getting into the car, audiences are easily drawn into the protagonist’s intense quest to find his missing girlfriend. Despite the language barrier, he manages to evade the relentless investigation of the local police and skillfully uncovers clues. Unexpected obstacles keep appearing one after another, propelling the story forward without a moment to catch your breath. At the climax of the confusion, when the full truth of the incident is revealed, and viewers are met with a shocking revelation that leaves them gasping in astonishment. (PARK Got)