In the British countryside, the Harver family head out on an idyllic summer camping trip where they can bury past tensions and enjoy some family bonding. But when their camp is sabotaged by an unseen intruder in the night, they head to the nearby creepy old farm desperate for help, where vengeful farmer Hunt Hansen and his hideously deformed son aren't farming animals... Caged and waiting for their limbs to be severed, cooked and eaten one at a time, the Harver family must overcome their differences and unite in order to escape alive!
本片讲述水利专家申天一和同窗辛远航在古木村治理黄河水患问题时，遭遇了“逆水行尸”的诡异事件，并意外搭救了昔日伙伴余茵。几人同行合力探索黄河诡事背后的真相。申天一等人在重重谜团中层层分析、逐步揭开谜底，找到了科学治理水患之法，彻底让古木村恢复了和平。
