The heroine Nangong Ling is the daughter of Nangong Chengyun, one of the four overlords in the martial arts world. Her mother died young. Her father left her to fend for herself since she was a child, and her aunt made things difficult for her in every possible way. However, because of her beauty, her father began to pay attention to her. In fact, he used her as a chess piece to steal the martial arts skills of various sects. At the age of seventeen, Nangong Ling met Bei Qinfeng, the son of Bei Yue, who was also one of the four overlords, and the two of them had a good impression. Nangong Chengyun has his own selfish motives and also opposes it. However, just one month before the two got married, Nangong Ling discovered that Bei Qinfeng had an ambiguous relationship with Murong Qiushui, who had had a relationship with him, and that Bei Qinfeng had a purpose in approaching him, so he decided to leave and start a new life. When Nangong Ling was having dinner at the inn, he accidentally saved the first-class bodyguard of the Leng family, the leader of the four overlords, and was involved in a martial arts incident. Nangong Ling changed her name to Nangong Lingyun and disguised herself as a man and worked as a handyman in the Leng family. She originally thought she could live a peaceful life like this, but God played a big joke on her. Leng Aoran, the young master of the Leng family, discovered his identity, and she was at the forefront of the storm again and again. The story of the two also unfolds...