In a dystopian future where emotions are traded like commodities, you play as an underground 'Heart Broker', navigating a world where people can exchange their emotional states for power, wealth, or status. As you traverse the emotional underground, you encounter clients in desperate need of heart transformations, each with unique stories and ethical dilemmas. You must make choices that impact not only their fates but your own sanity, fighting against shadowy organizations that seek to control the heart market. Will you save the souls of others, or indulge in the chaos of your own emotional greed?