In a world where emotions are literally harvested, you play as Ember, a quirkily cynical heart detective who specializes in uncovering the ownership of wayward hearts. When an ancient relic accidentally causes hearts to switch owners across the city, it's up to you to interact with quirky characters, navigate a web of emotional chaos, and solve the mystery behind the heart-switching epidemic before the balance of feelings spirals out of control. Puzzles involve deciphering verbal clues and character interactions that reveal true emotions, leading to heartwarming and sometimes heart-wrenching revelations.