In a future where technology allows people to switch hearts in a bizarre marketplace, you play as Cass, an underground heart negotiator. Each heart you handle has its own story, and your choices decide the fate of the heart's original owner. As you navigate the morally gray world of emotion and identity, you also have to solve the mystery of a heart theft linked to an underground syndicate. Unravel lives, forge bonds, and maybe even discover a piece of your own heart along the way.