Angela Wang has many regrets about her teenage years. She wished she could've lived her youth to the fullest instead of being buried in studies. On the night of her 20th birthday, she meets a strange talking butterfly named Rosalia, who offers her a chance to redo her teenage years. Angela takes it and the next day, finds that she's 13 again. Angela manages to befriend Aaliyah Taylor, the most popular girl in her grade. Their budding friendship soon becomes something more. Its everything they both have dreamed of. But their blissful reality is not as it seems. When they have to make a choice, will Angela and Aaliyah choose to stay young forever?