With guns blazing, a vicious gang of killers sets fire to the homes of Arizona settlers. Who is behind the terror attacks? Security man James Slaughter suspects Joe Hagerty, mayor of San Lorenzo. He's buying up the settlers' dispossessed land quickly and cheaply. And who is the mysterious Mr Black, arriving at their casino in the middle of the night? Big trouble looms as Slaughter searches for the gang's hideout and their psychopathic leader. Lightning strikes and guns thunder!