Tonight, the Moon has vanished from the sky. Darkness fills everything, and SPARKY, a tiny glowing firefly afraid of the dark, runs to hide. Luckily, her friend KIRU, a curious and kind-hearted adventurer, encourages her to find out what happened to the missing Moon. Together, they embark on a magical journey through space, where asteroids, planets and stars come to life, guiding them to discover the fascinating story of the Moon and its phases, while facing one of childhood’s most universal emotions: fear of the dark.