In a world where emotional attachments are quantified, you play as a Heart Broker—a master of trading hearts among people to help them find their true emotional match. One day, you receive a mysterious heart with no owner's name, setting off a thrilling moral quest as you navigate through lovers, friends, and frenemies. Each choice you make could lead to unexpected emotional consequences, alliances, or betrayals. As you try to uncover the heart's origin and its rightful owner, you will face ethical dilemmas that challenge your understanding of love and attachment. Will you return it to its owner or keep it for yourself, knowing the impact it might have on the hearts around you?