In the prosperous land of Jiangnan, there is a group of mysterious characters active in the rivers and lakes. When they are angry, dense black spots will appear on their faces. They are extremely powerful, agile, and as tough as puppets. They cannot feel pain when attacked. This strange phenomenon makes people wonder what kind of evil skills they practice. Jianghu people call them "strange-faced people".
Wang Lei's father was involved in the turmoil of the Strange Face Man when he was young, but recently he was seriously injured due to unknown reasons and passed away with vague last words. In addition, the Central Plains was recently occupied by the Manchus. In order to pursue the truth, Wang Lei came to Jiangnan alone to investigate the matter. In the process, he got acquainted with various knights, gradually solved the mystery hidden behind them, and uncovered the intricate chain of interests in the world.