Are you willing to undertake a dangerous mission behind the enemy line knowing that you may never return alive? This was the question asked during the war to agents of the OSS (Office of Strategic Services) ordinary citizens who to this question answered yes. Black Warfare, espionage and international intrigue, these are the weapons of the OSS.

In Windfall the role of McAllister is played by Les Tremayne and is a story suggested by actual incidents recorded in the Washington files of the Office of Strategic Services.