John in the Tang Dynasty had a child bride who planted several acres of land. Whenever he has time, he will invent gadgets and wait for an opportunity to flirt with his sister. He thinks this kind of life is quite good. If no one bothers him, he is willing to live like this all his life. However, men will always grow up and gangsters will always become big shots. Time is a knife to kill pigs, but John has gradually become a sharp sword. This is the story of a punk who slowly grows into a big shot.
After traveling back to the past, although John was still doing his old job at first, after a series of things, John changed his contemporary appearance and became a responsible and responsible man. With the continuous development of the story, John is also changing, bringing surprises to readers.