Olsen has always been captivated by the mysterious Mooncats that are said to appear only at night, but he never thought he would meet one.

When an encounter with a talking Mooncat named Hecater leads him to a hidden world on the moon, Olsen discovers the long-lost kingdom of Lunaris and its treasure, said to possess unimaginable power. As he unravels the secrets of this lunar realm, Olsen must race against time to stop a shadowy figure who seeks to claim the treasure for himself.

Adventure, danger, and discovery await in this comical and thrilling tale of courage and friendship.