In a whimsical world where shadows have lives of their own, players step into the shoes of an eccentric detective named Lumos. As darkness descends upon the vibrant town of Gloomington, shadows start disappearing, leaving their hosts in a state of confusion and chaos. Players must navigate a series of quirky characters, solve shadowy puzzles, and uncover the truth about the mysterious Shadow Thief who aims to become a creature of light. With the ability to switch between the colorful world above and the surreal realm of shadows below, players will piece together clues to restore the balance between light and dark, with plenty of humor and unexpected twists along the way.