In a dystopian future where emotions are commodified, you play as a heart dealer, a black market trader of hearts that contain memories and feelings. One fateful evening, you acquire a heart that doesn't seem to belong to any known person, harboring inexplicable memories of past lives. As you navigate a treacherous network of clients and competing dealers, you must unravel the heart’s mysteries while dealing with the law, rival gangs, and your own turbulent past. Your choices shape not only your fate but that of the entire heart trade, leading to unexpected alliances and revelations about the value of true emotions. Will you uncover the heart's secrets or fall prey to those who crave its power?