After exacting revenge on the people responsible for the deaths of his wife and children, Frank Castle uncovers a conspiracy that runs deeper than New York's criminal underworld. Now known as the Punisher, he must dig deep into the conspiracy to discover the truth about injustices that affect more than just him and his family. Assisting the vigilante in his quest to fight criminals are best friend Billy Russo, who runs private military corporation Anvil, and former NSA analyst Micro, who shares common enemies with Castle and helps him as part of a so-called marriage of convenience.