In a world where shadows have minds of their own, you play as the quirky private investigator Sam Shade. After receiving a bizarre invitation to a shadowy gala where luminaries from various realms converge, you discover that someone is stealing shadows for a dark purpose. As you navigate through a variety of locations—from the surreal halls of the Shadow Museum to the bustling streets of Nocturne, where shadows often swap allegiances—you must gather clues, interrogate suspicious shadow beings, and solve riddles to uncover the mastermind behind this shady scheme. With choices that branch based on your interactions and a time limit that adds urgency, will you manage to solve the mystery before the true darkness descends?