The four Pevensie children - Peter, Susan, Edmund and Lucy - return to Narnia, only to discover that hundreds of years have passed since they ruled there. Now, crowning himself king, the evil General Miraz has taken charge. The children enlist the help of a heroic mouse called Reepicheep. They set out to find the exiled Prince Caspian, determined to see him rightfully named king.

When Lucy and Edmund Pensive, along with their cousin Eustace, are swallowed into a painting and transported back to Narnia, they join King Caspian and a noble mouse named Reepicheep aboard the magnificent ship The Dawn Treader. The courageous voyagers travel to mysterious islands, confront mystical creatures, and reunite with the Great Lion Aslan and a mission that will determine the fate of Narnia itself!