In a world where shadows possess the consciousness of their owners, you play as Lucian, a shadow detective. When a series of bizarre crimes occur, leaving victims with literal 'shadowed' identities, you must navigate the chaotic streets of Nocturne City, solving puzzles and engaging in dramatic encounters with living shadows. Each decision morphs the story, revealing hidden aspects of both the shadows and their owners. Will you help them reclaim their identities, or will the darkness consume you both?