In a world where emotions and memories are traded as commodities, you play as a heart dealer named Cassia. After a botched transaction, you end up with an unfamiliar heart implanted in your chest, granting you access to someone else's memories, dreams, and fears. As you navigate through the fragmented psyche of a stranger, you uncover a conspiracy threatening the entire emotional economy. You'll have to make choices that affect both your fate and the lives of others. Can you reclaim your own identity while solving the mystery of the heart you've unwittingly acquired?