The little mole is doing spring cleaning after his winter sleep. While he is tidying up in his burrow and digging through the soil, suddenly a large clump of earth falls from the ceiling, and something green sparkles from it. Quickly wiped clean, the mole now believes he possesses a green star. He would have liked to throw it back up to the other stars in the sky, but no matter how hard he tried, he couldn't manage to return the star to its place, until... Yes, until the good moon helped him.