The Grass Elves are a group of guardians transformed by nature to protect grass seeds and the grasslands, maintaining ecological balance. Field mice, on the other hand, enjoy stealing and hoarding grass seeds. They are the greatest natural enemies of the Grass Elves. Elder Grass Elf Sahus is a wise elder who knows the secrets of the grasslands well. Grass Elf Doria is clever and adorable; she despises the stealing behavior of the field mice and is always on guard against their attempts to snatch grass seeds from the Grass Elves' pastures. Grass Elf Singile is Doria's younger brother, who continuously works on developing superior grass seeds. The cunning field mice devise all sorts of tricks to steal the grass seeds. In response, the Grass Elves constantly struggle against the field mice to protect the seeds, and their conflict never ceases. Among the mouse clan, there is a little field mouse named Maori who, influenced by the Grass Elf family, wishes to plant and harvest grass seeds just like them and has formed a friendship with the Grass Elves. However, an unprecedented drought plunges the grasslands into a great crisis, threatening the survival of all creatures living there.