Set in a world where emotions are traded as commodities, you assume the role of a 'Heart Merchant' navigating the treacherous underground market of feelings. As you hustle to collect and exchange hearts, you encounter various characters with diverse emotional needs, ranging from the whimsical to the tragic. Each interaction threatens your own emotional state, and you must balance the trade-offs as you decide who to help, whose heart to steal, and ultimately, which feelings to keep for yourself. Will you become the most powerful merchant, or will you lose your own heart in the process?