Luo Shiran is a cold and beautiful 16-year-old girl. He lost his memory due to a car accident. Her parents didn't seem to want her to remember that erased memory, so they transferred her to "Qiguang Park High School". Here, she opened her closed heart little by little and met the cheerful Mo Shufei. Slowly, she seemed to no longer be indifferent to others. However, just when she thought she had come out, a handsome and sinister boy named Yin Keyuan entered her life. It seemed like we had seen each other before, but the boy said he didn't recognize him, as if he was meeting him for the first time. However, Mo Shufei quietly told her that she fell in love with Yin Keyuan and asked Luo Shiran for help. Things are revealed bit by bit, friendship, hazy youthful love, family affection...