在某个毗邻湖泊的小镇，身形巨大的食人鳄鱼四下出没，伤人无数，成为地方百姓最为恐惧却无法除去的恐怖所在。在特瑞莎警长（伊丽莎白·罗姆 Elisabeth Rohm）的主持下，高压电网围湖建起，暂时保证了地方的安全。谁知一群盗猎者不知好歹，偷偷进入隔离区，导致食人鳄鱼兽性大发，杀人如麻，更乘机跑出隔离区。
是夜，警长的女儿克洛伊（Poppy Lee Friar 饰）岁高中同学外出露营，夜深人静之时，猥琐的大巴车司机心不在焉，开车误闯隔离区。当晚司机惨遭鳄鱼吞噬。次日清晨，无知的少男少女在湖边快乐玩耍，殊不知危险正慢慢向他们逼近。死神降临，血腥盛筵拉开序幕……
April 2020 – Lockdown. Etienne, a film director, and his brother Paul, a music journalist, are confined together in their childhood home with their new partners Morgane and Carole. Every room, every object, reminds them of their childhood, and the memories of the absents - their parents, their neighbors…This compels them to measure the distance that separates them from each other and the roots they share, those of their ground zero. As the world around them is becoming increasingly unsettling, unreality, and even a disturbing strangeness, invades their daily gestures and actions.
