It tells the story of Liu Ritian, a young man in the snack street, who barely makes ends meet by pasting films and selling discs, but has a dream of being a hero in his heart. After falling into the water, the handwriting on the secret book was revealed. After Liu Ritian began to work hard according to the movements, he traveled to the ancient martial arts, faced many crises in the ancient times, experienced various dangers, grew himself, and shuttled back and forth between modern and ancient times. With the help of everyone on Kung Fu Street, Liu Ritian caught up with Huo Yun who was about to cross, and used his internal strength to fight against Huo Yun. The disillusionment ruined Huo Yun's ambitions, and Huo Yun was finally taken away by the police. However, Liu Ritian could no longer travel back to ancient times because of the reason that he was destroyed when he changed his life. In ancient times, Liu Ritian had become a true hero. Liu Ritian, who has traveled back to ancient times, has once again become a teenager who has no kung fu in real life and lives on film