With the world of magic being slowly corrupted by Hopeless Energy, Prince Chess flees to the Human World to prevent the withering of the Heart Flower. Three fifth-graders of the Problem Solving Club, Ari, Suha, and Min, finds him as a strange-looking hamster form. They later team up to collect Hopeful Energy to save Flowering Kingdom. Unbeknownst to them, Prince Trump and Shuel, their enemies, are seeking Hopeless Energy.