New York, long a narcotics trading hotspot, explodes with war. The Colombian cartel members, infamous kings of cocaine, are facing their fiercest competition yet. A new breed of heartless killers and dealers have swept in from Vietnam. They're the Watchful Hawks, and they're taking over the city's billion-dollar drug trade, street by street, bomb by bomb, death by death. Until Mack Bolan enters the battle. A dedicated warrior who answers to no one, he slides through the darkness, striking fear and hot lead into the heart of evil. He's known as the Executioner. And the new arrivals should remember where he earned the name - Vietnam.