Trumpkin's story begins as he tells of Prince Caspian, the rightful heir to the throne of Narnia who secretly harbors "a love for the Old Things." Yet, when King Miraz, his usurping uncle, discovers Caspian's affinity for the stories of Old Narnia, he sends Doctor Cornelius to be his nephew's new tutor. Little does he know that Doctor Cornelius carries a secret of his own and will play a significant role in leading Caspian toward a recognition of who he is and the real truth about Narnia.