The story takes place during the Yuan Dynasty, and the legendary assassin Zixia Wolf (played by Shin Hyunjun) stands on the roof of a noble mansion, looking at the woman who has haunted him all his life, and has mixed feelings in his heart. Many years ago, the descendant of the Goryeo tribe, Liu Zhenhe, the entertainer Guo Zang (played by Qi Zhoufeng), wandered around and practiced martial arts, and he accidentally rescued the daughter of the Mongolian general Shirley in the jungle. The two boys and girls became friends, and they had a deep attachment and bond to each other after ten years of staying together. However, the creation made people, and Jinha had to part with Shirley (played by Kim Hee-sun). Shirley is swayed by her father and is about to marry Nangong Junguang, the only son of the Nangong family. Zhenhe, who has learned peerless martial arts, learned of his life experience, and he came back to Shirley's side in a hundred turns, but his fate could not be changed. Zhenhe, who became a Zixia wolf, and the Nangong family of the pro-Yuan faction are incompatible, and he can't help but drift away from Shirley, who has always cherished him...... This film is based on the original work of Korean cartoonist Kim Hye Pho.