In a world where people's hearts have been swapped around due to a mad scientist's experiment, you play as Max, an ordinary citizen who suddenly finds themself with a heart that doesn’t belong. As Max struggles to adapt, they embark on a dramatic journey to uncover the truth about the hearts, the identities attached to them, and their own hidden desires. Players engage in dialogues, make choices that affect their emotional state and relationships, and solve puzzles that reveal the backstory of each heart's original owner. Will you reclaim your own heart or find a new one that fits you better?