本片讲述了发生在1995年4月19日针对美国俄克拉何马城市中心艾尔弗雷德·P·默拉联邦大楼发起的本土恐怖主义炸弹袭击案件。(又名:俄克拉何马城爆炸案)The bombing of the Alfred P. Murrah Federal Building in Oklahoma City in April 1995 is the worst act of domestic terrorism in American history; this documentary explores how a series of deadly encounters between American citizens and federal law enforcement - including the standoffs at Ruby Ridge and Waco - led to it.