Lin Jiu's father was determined to have committed suicide due to gambling debts. At the funeral, the creditor came to visit, and the mysterious man left an old bargaining chip. In order to find out the truth, he found the lame sixth uncle and entered the Qianmen Jianghu in the modern city. Gambling, scams, games within games, his brother was injured, his master retired, and he gradually changed from a person who knows the game to a person who sets it up. The closer he got to the truth, the more he discovered that his father was not a gambler, but a detective who had been silenced. There are no winners at the gambling table, only people who have not lost yet.