1932, Shanghai. The one-eyed dragon king Dao Jiangnan of the Tianmenghui sang and danced peacefully, but the underground fighting arena was filled with blood. Young operative Zhang Shian was framed as a mole in order to protect his sworn brother's sister. He sank to the bottom of the Huangpu River but miraculously survived. When he returned to the world, he discovered that behind the conspiracy that framed him, there was a shocking conspiracy involving the Japanese Marine Corps, Nanjing government commissioners and a mysterious warlord force. In the secret room of the Hongkou Japanese Club, the abandoned dock in Jiangwan, and the luxurious mansion in the concession, Zhang Shian and Dao Jiangnan were forced to change from pursuers and fugitives to each other's only trustworthy chess pieces. When the bell of Wujiaochang's new city government rang, a power reshuffle swept across Shanghai, and the final answer was about to be written with their bones or blood.
