In a vibrant world where emotional states are manifested as physical objects, players assume the role of a rogue Heartsmith, a talented but disillusioned artisan who creates and modifies hearts for others. When a powerful emotion-eater threatens to consume the very essence of love from the realm, players must navigate through emotional landscapes, solve riddles, and confront the feelings of a colorful cast of characters. Choices made along the journey not only affect the game's outcome but also the emotional makeup of the inhabitants, challenging players to balance feelings like joy, sorrow, rage, and love in a unique narrative that intertwines personal growth with the fate of the world.