A criminal cartel is extorting New York's wealthy class. Pay up or we'll destroy you! Those who ignore the dire warning receive a splash of disfiguring acid in their chocked faces. Manhattan's finest are helpless against this diabolical menace. The citizenry are terrified. Is there no hope? Out of the night comes an eerie whistling, the haunting signal belonging to only one man—the faceless investigator known only as Secret Agent "X", the Man of Mystery. Sanctioned by a shadowy group of Washington insiders led by the enigmatic K-9, operating out of a haunted house, the unknown and unknowable "X" takes on his first frightening case. His mission: Break the Torture Trust!