Realizing that the Pinkertons' plan to raid Jesse James's home is ill-conceived, Agent Clem Greenwood counsels caution. When his advice is ignored, tragedy follows: innocent members of the outlaw's family are killed and maimed. Horrified at having been a part of this attack, Greenwood resigns from the Pinkerton Agency and heads home to find it is now a place where the strong bully the weak. While Clem goes to the aid of a childhood friend who is in danger, he gets word that Jesse James holds every Pinkerton equally responsible for the raid on his farm and is hell-bent on revenge. Greenwood's enemies have betrayed his whereabouts and Jesse James is coming for him...