Los Angeles FBI agents Jack Harper and Oscar Hidalgo breathe sighs of relief when a violent diamond smuggler Karl Steinbach is finally arrested in a complex sting. Steinbach is imprisoned - vowing vengance on the agents who brought him down - only to be offered release with total immunity in a dodgy deal with homeland security. When Jack and Oscar's team of agents start to die, it becomes clear that steinbach made no idle threat. But when the pair investigates their slain comrades' lives, they discover that what looked like retribution is actually tied to a web of deceit that stretches to the highest schelons of the FBI.