On the surface, he is an ordinary deliveryman in Haishi. He rushes between office buildings and old communities every day, worrying about his livelihood. In fact, he is the former leader of the world's most mysterious organization "Long Yuan", codenamed "Dragon King". Three years ago, he was betrayed while performing a top-secret mission, resulting in serious injuries and partial memory loss. At the same time, in order to protect his family and comrades, he voluntarily retired and chose to integrate into the city with the most ordinary identity.
