在这部灯塔凶机惊悚/恐怖片中,八岁那年，凯特琳在灯塔改造的家中发现母亲被谋杀身亡。尽管在动机不明的情况下，凯特琳的父亲克里斯以凶手之名被逮捕，这个不幸让克里斯发狂，也让凯特琳搬离家乡。二十年后，建商买下那栋荒废的灯塔，凯特琳却发现建商陆续失踪，原来，祖父曾经在此留下一个家族秘密，而凯特琳唯有找出真相，才能阻止更多不幸的发生。
Maine coastal town Harrison Bay is broke, so deputy mayor Drew Cabot arranges a deal with a contractor to develop the abandoned lighthouse for tourism. Father Hendry fails to convince the town council to veto the project. He also invited, sneakily, Katelyn Parks, who was foster-raised out of state after her father Christopher was locked-up for her mother's murder there. Once the basement is broken open, new bloodshed starts, and the horrible truth about the past is slowly unveiled.
