Sir Kendrick and his young charge, the impetuous Sir Duncan, are sent on a mission to discover the identity and origin of a secretive new order known as the Conquistero Knights. They travel to the city of Bel Lione where Lord Ra has been enticing young people in the kingdom to join his festivals, after which many choose not to return home. Their families keep quiet for fear of repercussion.
When Sir Duncan disappears while trying to discover the truth of Lord Ras castle, Sir Kendrick attempts to find and enlist the help of a mysterious warrior. Time is short for he must save Duncan and call upon the knights of Chessington to join in the battle against the evil Lord Ra.