In an alternative reality where people's hearts can be swapped like trading cards, players assume the role of a witty detective tasked with solving a series of bizarre heart thefts plaguing the city. Every heart has unique characteristics and memories attached to it, influencing the personality of the person who possesses it. As you navigate through a labyrinth of suspects, the player must engage in dialogue, decipher clues, and make choices that can lead them toward the truth—or deeper into a web of deception. With each heart you uncover, you unravel a personal story, revealing the interconnected fates of each character. How will you navigate this emotional minefield and uncover whose heart it truly is?