In 12th century Palestine, the Doctor and his friends are drawn into the holy war between the forces of King Richard the Lionheart and the Saracen ruler Saladin.

French movie pin up Sophie Hardy is Lisa Milan, a gorgeous Continental film star who's just arrived at Heathrow. She's in London for the premiere of her latest film, but within minutes she's beenw hisked away by her number one fan, Johnny Howjego and his Cockney pals Sammy, Flora and Cabbie Sid.

A young man travels to Prague to join his new employer, unaware that he is being used as an espionage courier.