In a whimsical world where emotions are traded as commodities, you play as Sol, an eccentric 'Heart Merchant' who collects and resells the hearts of individuals from all walks of life. One day, you stumble upon a heart that doesn’t belong to anyone. As you delve into the mysterious past of this heart, you uncover a web of secrets involving lost loves, stolen dreams, and a power-hungry organization seeking to control all emotions. The interactivity comes from dialogue choices, puzzle solving involving the emotions tied to hearts, and the moral dilemmas of using or returning emotions to their rightful owners. Players explore vibrant locations, meet quirky characters, and navigate an emotionally charged story, all while battling their own heart's longing to be whole again.