A clumsy teenager dons a Spider-Man costume, but he'll soon learn that the essence of a hero isn't drawing pictures and social media likes. Yu's new high school is a real sea for him. He doesn't like his school subjects, and he doesn't get along with his classmates either. All that will change when he finds a discarded Spider-Man costume in a remote alley. At first it's fun to rope him in and play hero, but when powerful villains show up, Yu will realize he's in deep trouble. But as the real Spider-Man seems to have disappeared, someone has to save the city…