Set in a quirky town where shadows have suddenly begun to develop personalities and wander off on their own, players take on the role of a hapless shadow detective trying to unravel the source behind this bizarre phenomenon. As they navigate through quirky characters, shadow conversations, and absurd plot twists, players must gather clues, solve riddles, and make choices that will lead them to uncover the truth. The town's unique inhabitants, including a shadowy librarian and a flamboyant shadow artist, each have their own motivations and secrets, leading to multiple endings based on the player's decisions.