Xia Ran is slightly plump and has ordinary features. Just as she begins her doctoral studies, her days are consumed by the lab and her dissertation. At her mother's insistence, she reluctantly agrees to go on a blind date, where she unexpectedly meets Zhou Yan, a handsome and warmhearted engineer. As the two grow from strangers into friends, Zhou Yan's encouragement helps Xia Ran gradually overcome her inferiority complex and discover her unique charms. Their relationship not only lets her experience the sweetness of falling in love, but also prompts her to see herself in a new light, beginning a journey where self-discovery and romance intertwine.