在幽暗的夜晚，吸血魔虫悄然潜伏，等待猎物降临。战场公主希维尔

　　The Lakecrest College swim team is determined to win at all costs, even if it means taking steroids. But winning comes at a horrifying cost when harmless LEECHES in the campus lake, quietly feeding on the steroid-rich blood of the team's swimmers, mutate into giant parasites with a vicious streak. No one is safe as these ferocious creatures brutally stalk the students and staff... (展开全部)