Peter, Susan, Edmund And Lucy Are Mysteriously Transported Back To Narnia Where They Discover That It Has Been Hundreds Of Years Since Their Reign As Kings And Queens Of The Land Ended. Cair Paravel, The Castle Where They Lived, Is In Ruins And The Evil King Miraz Has Taken Charge. Along With Their Old Friend Prince Caspian, They Race To Overthrow The King, Calling On The Help Of Aslan And His Trusty Follower, Reepicheep The Mouse.