In a dystopian future where emotions are commodity and human hearts can be swapped among individuals, you play as a heart dealer, navigating the neon-lit underbelly of a mega-city. The game unfolds as you are tasked with retrieving a stolen heart that holds a secret connection to your own lost past. Along the way, you interact with various characters—each possessing their own motives and hidden agendas—solving puzzles that challenge your ethical beliefs about love, identity, and the worth of a heart. The story branches based on your choices, leading to multiple endings influenced by the hearts you choose to protect or betray.