In a world where emotions are currency and hearts are literal objects that can be swapped, you play as an Emotional Courier tasked with delivering hearts to clients to mend their broken relationships. However, during one fateful delivery, you accidentally mix up two hearts and find yourself entangled in a web of romantic rivalry, deceit, and emotional turmoil. As you navigate a vibrant city filled with charming characters, you must solve puzzles, uncover secrets, and maybe even find a piece of your own heart along the way. Will you get to the root of the heart mix-up before it turns into a full-blown melodrama?