Prelude to the SHADOWMASTERS limited series! Frank Castle must eliminate the head of a secret society of ninjas. But the Eternal Sun Society proves indefatigable!

Punisher infiltrates the home of the leader of the "ninja camp" trying to find out where Iris Green is. Instead he finds files on a ton of dirt bags and a U.S. Congressman. The Punisher torches the house and goes after the leader of the camp of his two instructors who are trying to kill everyone in the camp to keep their secrets from being exposed.