In a world where hearts can be swapped like accessories, you play as Harlin, a skilled 'Heartsmith' who fixes emotional dilemmas by reprogramming the hearts of individuals. One fateful night, during a heart transfer session gone wrong, you accidentally mix up the hearts of five strangers, each with distinct personalities and unresolved conflicts. As you navigate the social landscape of these unique characters—ranging from a lovable but awkward inventor to a notorious social media influencer—you must piece together who belongs to whom while dodging emotional meltdowns, hilarious misunderstandings, and unrequited rivalries. Your choices affect not only their lives but also the pulse of your own heart, as you confront what it means to feel. Will you bring harmony to their chaotic lives, or will you watch the heartache unfold?