Abandoned by her fiancé, an educated negro woman with a shocking past dedicates herself to helping a near bankrupt school for impoverished negro youths. Within Our Gates was created in response to The Birth of a Nation which depicted southern whites in need of the Ku Klux Klan to protect them from blood thirsty blacks. Micheaux shows the reality of Dixie racism in 1920, where a black man could be lynched for being in the wrong place at the wrong time.
米尔德雷德（弗兰西斯·麦克多蒙德 Frances McDormand 饰）的女儿在外出时惨遭奸杀，米尔德雷德和丈夫查理（约翰·哈克斯 John Hawkes 饰）之间的婚姻因此走到了尽头，如今，她同儿子罗比（卢卡斯·赫奇斯 Lucas Hedges饰）过着相依为命的生活。一晃眼几个月过去了，案件仍然没有告破预兆，而警方似乎早已经将注意力从案子上转移了开来。 被绝望和
