In a world where hearts are currency and emotions manifest through experiences, players assume the role of a heart dealer who can exchange hearts to experience various emotional states and discover the secrets hidden within their own past. As the player navigates a bustling underground marketplace filled with eccentric characters, each with their own emotional backstories, they must make tough choices about which hearts to trade and how to help or hinder those they encounter. Through interactive dialogues, confrontations, and unexpected relationships, the game's narrative branches dynamically, allowing players to explore themes of love, loss, and redemption.