A jungle ambush leaves several Indonesian security forces dead, setting off a political firestorm in the volatile region. When a disgraced former U.S. ambassador emerges as the mastermind behind the attack, Mack Bolan is called in to find the man before the country descends into civil war.

A fugitive informant is Bolan's only lead, and as more bodies turn up along the way, he soon realizes the ambush was only the beginning of a deadly scheme. After spending years in prison, the rogue envoy is determined to exact revenge against the Indonesian government and take what he believes he deserves. But vengeance comes with a price, and the Executioner is ready to make him pay.