When Erno and Elni Elephant, who never forget anything, suddenly forget everything, Alex and Zoe go on a search for Corespore in a place where lost Animalian memories go: Memory Canyon. The kids discover ancient catacombs where records of Animalia's long lost history are stored. They find the Corespore in time to restore the elephants' lost memories, and in time to thwart Tyrannicus' latest plan to take over the kingdom.