

After the battle of Worcester at the end of the Civil War, the main aim of Oliver Cromwell's Commonwealth is to capture Charles Stuart. The future king's escape depends on the intrepid Earl of Dawlish.

During World War II, on the eve of the Battle of Britain, British scientists develop the first radar systems to be employed against the German Luftwaffe.

While he's a houseguest at an upper-class gathering, wealthy Jewish man Ferdinand de Levis is robbed of £1,000 with evidence pointing towards the guilt of another guest, Captain Dancy.