After her mother is murdered on Halloween, a rebellious teenager travels back in time to 1987 where she must stop the young would-be-killer and get

　　After her mother is murdered on Halloween, a rebellious teenager travels back in time to 1987 where she must stop the young would-be-killer and get

　　娣娣（艾莉西亚·席维史东饰）高中毕业即离乡背井，生性自由的她现在带著十二岁大的小儿子回到暌违十三年的家乡，并与中学时期的热恋男友山姆（伊昂·贝利饰）重逢。山姆已与莉蒂雅（安娜贝·基许饰）结婚，二人生活幸福美满，不过迄今膝下无子。娣娣是否会对莉蒂雅造成威胁？娣娣儿子的父亲又谁是呢？