The play is a traversal drama. It tells the story of the sincere friendship and growth of two men after the encounter between Zheng Lu, a courier who was originally a national archery player, and Lin Mi (same pronunciation: Ju) in the Joseon era. Jiang Zhihuan plays Zheng Lu. He was originally an archery player but now a courier. He, his proud sister, and his first love who reunited after 8 years, the two women in his life traveled to the Mingjong era of Joseon together, and their lives were constantly threatened. Jing Shouzhen plays Li Haidun, a doctor of emergency medicine. She is the only daughter of a wealthy family. She has been an intern in the emergency medicine department of the best university hospital in Korea for three years. She is elegant and tasteful but a little arrogant.