The final segment of the Key to Time is at the heart of a devastating war between neighbouring planets Atrios and Zeos. The Fourth Doctor discovers that a sinister entity is manipulating events and the cost of obtaining the final segment may be more personal than he imagined.
During World War II, a young man is called up and, with an increasing sense of foreboding, undertakes his army training ready for D-day, June 6th, 1944.
The hilarious adventures of young Bumbo Bailey, who enlists in the Brigade of Guards and is based in the prestigious Wellington Barracks in London in the Swinging Sixties. He regards his social life as important as his military.