In a quiet field far away from the capital, the unshaven Bao Chang Huan Ge (played by Louis Koo) is lazy and tired, living a boring life. His wife Hong Jie (played by Sandra Ng) runs a bun shop, with excellent cooking skills and good housekeeping. The couple seems to be taciturn and mediocre, with no ambitions, but few people know what kind of legendary experience they have had. Looking back to the past, there were two famous knights in the capital-Jing Jiong Xia and Xiang Xiang Xia, who helped the weak and the poor, punished evil and promoted good. The two heroes competed with each other and met on a narrow road, but they fell in love at first sight and returned to the rivers and lakes hand in hand. They hid their martial arts and amazing superpowers, and decided to settle down, buy a house and have another child. Who would have thought that things would go against their wishes. The couple had no children, which made them quite troubled. At this time, a martial arts conference was suddenly held in a small mountain village, and their quiet life was completely broken...