Warwick Castle is under siege. It 1642 and the middle of the English Civil War and Royalists are camped outside the castle, held by Parliamentarians. The invaders have bought cannon with them which they fire at the castle. The smoke from the cannon clears… but the defences are too strong and the castle is undamaged. Despite the Royalists’ best efforts, the siege is ended when Parliamentarian reinforcements arrive and the Royalists flee.