1945年抗战胜利前夕，侵华日军第七三一部队在哈尔滨平房区以“给水防疫”为名，秘密进行惨无人道的细菌战研究，大肆抓捕平民进行活体实验，妄图以此扭转败局。小贩王永章（姜武 饰）等人被强行抓入“特设监狱”，日军以“配合健康检查与防疫研究即可换取自由”的虚伪承诺，欺骗他们遭受冻伤实验、毒气实验、活体解剖等极端折磨……影片通过平民视角揭露日军反人类暴行，展现绝境下国人不屈的反抗精神，旨在让世人铭记历史，勿忘国耻，捍卫和平。
和这个时代里的所有女孩子一样，阿珍（李丽珍 饰）年轻又漂亮，对待爱情充满了独特的憧憬和希望。可是，男友PAUL（邵仲衡 饰）却将这一切狠狠的打碎了。在两人共享了鱼水之欢后的清晨，PAUL告诉阿珍自己已经有了相恋多年的女友。经过这一打击，阿珍在内心地暗暗许下誓言，说再也不要相信男人的话语。因为爱情而受伤的阿珍唯有通过爱情来寻求安慰，在许多男人间兜兜转转后，她才发现真正的爱情并非江湖义气也不用以事业为保障，却是心心相惜两情相悦。而就在此时，曾经追求过她的议员回到了阿珍的身边，同时，男孩浩仔（梁思浩 饰）的一举一动也牵动着阿珍的心，两份真挚的感情面前，阿珍究竟该何去何从？
A group of young men dare a classmate to reach the porch of a legendary old house, said to be haunted by the thirteen victims of a family massacre. In hopes of making a viral video they arm him with a video camera to prove he was there or to capture him fleeing in terror before even reaching the house, as others have. When he doesn't return, the guys must go in to get him. Inside they discover the truth about the house, the fate of their friend and their own fate as well.
