Five university friends gather at a house party to ring in the New Year. Unbeknownst to them, an epidemic has erupted outside, causing outbreaks around the world. With nowhere else to turn, they barricade themselves indo…

玛蒂·麦迪逊在湖边发生意外差点被淹死。自从这次意外后，她发现自己陷入了一个恐惧的噩梦之中，经常会出现幻觉，而且对水产生了恐惧。玛蒂的朋友想帮她早日摆脱这个噩梦，于是想通过一个虚有的善意骗局来帮助她解决这一切。然而谁…