1988 年，心怀侦探梦想的费城警官托马斯·洛克哈特（波伊德·霍布鲁克饰演）开始追踪一名连环杀手，此人每隔 9 年就神秘地出现一次。但是当杀手的罪行开始违背所有的科学解释时，洛克对真相的痴迷可能会毁掉他的事业、家庭，甚至是他的心智。《月影杀痕》是一部混合题材的心理惊悚片，探讨了时间的力量，以及时间的流逝如何使我们相聚又分开。该片由吉姆·米可执导，其他主演包括迈克尔·C·豪尔和克利欧佩特拉·科尔曼。
In 1988, in Philadelphia, Police Detective Locke and his partner Maddox hunt down a female serial killer. Locke kills her in the subway and the case is closed by his chief Holt without identification of the killer. In 1997, similar crimes happen and Locke and Maddox believe in a copycat. However Locke finds that the killer is the same woman he killed nine years ago. Locke becomes obsessed with the case along the years and Locke believes she travels in time in the opposite time-line. When the woman reappears nine years later, Locke is waiting for her.
