Eustace Scrubb's (David Thwaites) parents send him to a terrible academy filled with several mean bullies, and becomes good friends with a girl named Jill Pole (Camilla Power). They are both attempting to escape the bullies by finding a hiding place. Eustance Scrubb and Jill Pole then enter the world of Narnia in Aslan's country. Aslan tells them to meet up with the old King Caspian (Geoffrey Russell). Their mission is to rescue the Caspain's son, Prince Rillian (Richard Henders). Accompanied by Puddleglum the Marshwiggle (Tom Baker), the party journeys through mountains, esacpes mythical creatures, and goes to the center of the planet to save Prince Rillian from the Green Lady.