In a world where emotions are stored in physical hearts, you play as 'Kay'—a quirky heart courier who delivers emotional hearts to people in need. When a routine delivery goes awry, you accidentally mix up hearts belonging to various townsfolk, leading to comical, dramatic, and downright absurd situations. From a lovesick poet to a grumpy butcher with a soft side, you must navigate the consequences of your mix-up. Each choice you make impacts both the townspeople and Kay's own heart, leading to multiple branching endings based on the emotional connections forged throughout the journey.