In the 29th year of Jiajing's reign, Anda cavalry invaded the border area. A fifteen-year-old boy from a border village was forced to join the army. He only had a bronze medal with a missing corner left by his father. From the border town to the capital, from Yan Song to Zhang Juzheng, from the anti-Japanese war to the Korean battlefield - behind this bronze medal lies the last secret of a decadent dynasty, as well as where he came and where he is going in his life.
