When Zhao Lang met his girlfriend Su Tang's parents, his best friend Lu Hang suddenly knelt down and accused him of bullying him in high school for three years. Faced with the Su family's suspicion and Lu Hang's "evidence", Zhao Langliang went to Xuexin. Com to prove that he had never attended high school. He conducted an in-depth investigation and found that Lu Hang had blamed Zhao Lei, the real bully who died in a car accident, for his evil deeds, and also concealed the truth that he was coerced by Zhao Lei and refused to save him. In the end, Zhao Lang proved his innocence with evidence such as videos and recordings, Lu Hang was fined for slander, and Zhao Lang and Su Tang also decided to start over after the storm.