"... in the end Hitler took his own life."

"That's the official story," grinned George. "I finished 'im with my bare 'ands!"

From a post-apocalyptic future, MI69 agent Circe travels into the past to recruit Britain's secret weapon of WWII, George Formby. They arrive in the present day and begin work to prevent American president Ronald Rump and British PM Horace Swanson from bringing about the apocalypse.