<p>少女惠特妮•米勒（Amanda Righetti 饰）及其男友麦克（Nick Mennell 饰）等一行五人前往水晶湖森林游玩，快乐的假期很快为血腥杀戮所取代，躲藏在暗处的杀人魔王杰森（Derek Mears 饰）突然出现，将青年男女们逐一杀害。 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;六周后，大学生特伦特（Travis Van Winkle 饰）及其一班朋友又来到水晶湖的小木屋内狂欢，他们偶遇寻找妹</p>