"A British secret agent [is] targeted for death by friend and foe alike. [Major John Tarrant] take[s] up the revenge trail when ruthless gunrunners kidnap his young son and demand a king's ransom fortune in uncut diamonds for the boy's release. With each new lead, [the] chilling quest becomes increasingly deadly as he begins to suspect that one of his colleagues is in league with the merciless abductors. The spine-tingling high voltage chase ends...