Would you like to find the secret treasure of happiness? Meet the Truejoys, a gentle clan of dragons from a magnificent mountain far away, known for their harmonious nature and the glorious secret treasure that gave them their radiant peace and joy. As a jealous rival group of dragons, the Stinjas, tries to steal the treasure for themselves through scheming and aggression, the Truejoys surprise them with an inspiring transformation that changes everything. Just like people, dragons can choose to be either "gentle giants" or "stingy monsters". This story shares the lesson of how to treat others the way you want to be treated in order to enjoy one of life's most truly precious secrets.