In a world where emotions are physical entities and hearts can be traded, stolen, and even lost, you play as Alex, a quirky heart-courier who has the ability to literally swap hearts with others for a day. Amidst a grand emotional heist, you'll navigate through vibrant districts ruled by different feelings—joy, anger, sorrow, and love—each bringing its own challenges and characters. As you swap hearts, you’ll experience their memories and emotions firsthand, leading to dramatic choices that could alter the fate of your city. Can you mend the fractured hearts around you and uncover the mastermind behind the chaos? Or will you end up losing your heart forever?