Gluttonous and tomboyish, Lan Mo is hardly anyone's ideal girl, but with a magical hair clip from a mysterious trinket shop that disappears the next day, she may be able to become just that. With its power, she can transform into a beautiful and feminine young lady, someone who may finally be able to catch the eye of her childhood friend and crush, Liu Yifeng. However, keeping the clip's secret proves difficult for Lan Mo when faced with Liu Yifeng's admirers and the mysterious stranger Xia An. And to further complicate matters, Lan Mo's possession of the hair clip may turn out to be more than just mere coincidence.