In a world where emotions are physical entities, you take on the role of a Heart Broker, a risk-taking character who negotiates, trades, and sometimes steals hearts to ensure the emotional balance of society. When a high-stakes client loses his heart in an underground heist, you must navigate treacherous emotional black markets, face heartless foes, and uncover the truth behind the missing organ. Along the way, you will interact with various characters, each representing different emotions, and your decisions will affect their wellbeing as well as your own. Will you broker a deal that saves or ultimately shatters the emotional economy?