In a world where emotions and memories have been commoditized, players assume the role of 'heartbinders,' individuals who can temporarily borrow and exchange feelings and memories from others. The game begins at a chaotic heart exchange gala where players must navigate a web of relationships, uncover dark secrets, and outmaneuver shady dealers to reclaim a stolen heart that holds the key to their past. Choices impact their emotional state, relationships, and the revelations about why the heart was taken in the first place, leading to a multifaceted narrative that offers numerous paths and endings.