Du Jin'e from the spy academy was deceived into becoming a test subject who traveled through time and space. He came to Bianjing, the capital of the Northern Song Dynasty, and accidentally joined the famous Yang family army. He met Yang Yansi, the seventh son of the Yang family who was sunny, and Yelu Moxuan, the Liao general who was cold on the outside and hot on the inside. Perhaps it was destined, but there was indeed a girl named Du Jin'e in history.
The secrets of the royal family and the raging flames of war connect the past and present, and the blood of blood determines the glory of this life.