Major Steve Lockhart, commander of a Marine Raider battalion and Captain Dan Craig, commander of the Paramarines are together on Guadalcanal facing a Japanese assault that became the Battle of Edson's Ridge. When Captain Craig discovers the body of one of his lieutenants who had been tortured and executed by the Japanese, he goes on a one-man army kill crazy rampage of revenge in the jungle with his M50 Reising (that jams) and his M1911 pistol.