极度深寒

四位疏远的友人一同参加一次钓鱼之旅，旨在修复他们破裂的关系。然而，当其中一位（一位绝望的父亲）指控其中一人与自己女儿的失踪案有关时，他们之间的关系却彻底破裂了。

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……

　　一年一度的春假到来，来自全国各地的大学生纷纷涌向度假胜地维多利亚湖，他们纵情歌舞，寻欢作乐。青年杰克·福斯特（史蒂芬·R·麦克奎恩 Steven R. McQueen 饰）追随友人来到海边。在电视人德里克·琼斯的邀请下，杰克和心仪的女孩凯莉（杰西卡·斯佐尔 Jessica Szohr 饰）等友人登上了德里克的游艇。在一个幽静的角落，女孩们尽情游水，享受美好的时光，却不知危险正慢慢逼近。
　　原来近期湖底的地壳发生变动，一群在史前时代因火山爆发而被困在湖底的恐怖食人鱼重返人间，它们纷纷向毫无防备的人类发起猛烈攻击。秀美宜人的湖泊一瞬间变成血腥残酷的修罗场……

　　Like Fritz Lang, David Fincher or Bong Joon Ho before him, talented debut filmmaker Lado Kvataniya uses the concept of police detective vs serial killer for an excitingly stylised, macabre and haunting narrative, that ultimately revolves around the identity of an era: in this case, the late 1980s Soviet Union. With Glasnost and the end of communist rule, the West also learned of the (unsurprising) fact that there were serial killers in Russia too – the most notorious case probably that of Andrei Chikatilo, nicknamed the Rostov Ripper, or the Russian Hannibal Lecter.
　　Based on these and many other sources, Kvataniya and screenwriter Olga Gorodetskaya constructed an immersive psychological puzzle, jumping back and forth in time, to reveal ever new-possible motives for the actions of all the protagonists. It all starts in 1990, when Detective Issa Davydov is celebrating his promotion and receives a call, reporting a crime that looks precisely like the ones of the serial killer that he famously captured some years before ...