In a vibrant city where everyone is hiding secrets, players assume the role of an eccentric amateur detective who can not only read people's faces but also perceive their shadows as unique personalities. Each shadow reveals hidden traits and potential motives of the persons they accompany. After a bizarre theft disrupts the city's peace, players must engage in witty conversations, unravel relationships, and piece together clues through shadow interactions. The game combines humor, drama, and social exploration to solve various cases in a richly woven narrative.