In a world where emotions can be literally stolen and transferred between people, you play as a master heart-swapper navigating a bustling city of emotional black markets and clandestine love affairs. As you interact with various characters—each a unique blend of personalities and secrets—you must make tough decisions that affect the heart's owners, the relationships you build, and the very fabric of the city itself. Will you help someone find their lost love, or will you steal hearts for your own gain? The choices are interactive and dramatic, leading to multiple endings based on your emotional investments.