Primary school student Wang Bao (Zhu Qilong) is innocent and lively and likes to fantasize. Whenever he encounters difficulties in learning or troubles in his extracurricular life, he imagines that a magical baby will appear to help him easily achieve his goals. One day, Wang Bao was fishing and encountered the legendary treasure gourd (voiced by Chen Peisi), which is said to help the owner realize any wish. He was overjoyed. The treasure gourd not only helped Wang Bao catch fish, make advanced models, and complete extracurricular homework, but also changed into various shapes to make him happy. Wang Bao's rapid performance in school surprised his classmates, and Teacher Liu (Gigi Leung) also changed her original view of him. After the treasure gourd helped him show his prowess in the swimming pool and easily got the opportunity to join the school team, his life was even closer to perfection. However, Wang Bao gradually discovered that the treasure gourd was indiscriminate and only knew how to blindly obey...