Ruo Xiaofeng, a martial arts master of a generation, and Han Xing, the master of the cult's Four Seasons Palace, have two daughters: Ruo Han'er and Ruo Nuan'er. When they became adults, the two were sent down the mountain by their father to carry out their respective tasks. In the days that followed, the two met people, things, and situations that they would never forget... And a martial arts storm and an unknown secret history of martial arts were also revealed because of the various actions of the two sisters in the world. Some of the people in this turmoil are famous all over the world, and some are secretive. When will all this end?