A monster stalks the corridors of an abandoned mansion, targeting those curious enough to find themselves inside. Two friends break in and discover that all exits have been sealed off. The creature that hunts them is growing hungry for their blood and there is no escape…

yle=color: rgb(48, 48, 48); f>　在美丽的英国乡村运河上，两姐妹和她们的男友准备在一艘驳船上度过一个轻松的周末，没有意识到水中潜伏着食肉的变种鱼，准备好等待喂食。