In a world where emotions are actual physical entities stored in 'heart crystals', you play as Harper, a memory thief with the unique ability to swap hearts with others. After a botched job leaves you with not just a heart but an entire personality overhaul, you must navigate the complex relationships of a chaotic city where everyone has something to hide. Make choices that impact your identity while unraveling a mystery involving an underground organization that seeks to control these vital emotions. Will you use your new heart to heal or wreak havoc on the lives of others?