In a dystopian future where emotions are commodities, you play as an underground 'Heart Dealer,' specializing in the trade of human hearts. Each heart has unique emotional traits tied to its original owner, and buyers seek the 'perfect heart' for their needs. As you navigate a dangerous underworld filled with corrupt buyers, rival dealers, and unexpected plot twists, you must use your wit and charm to outsmart opponents and uncover the true origins of each heart. Your choices affect not just your survival but also the emotional fates of those around you, leading to multiple endings that explore themes of empathy, morality, and the human experience.