In the chaos of the late Ming Dynasty, Jin Yiwei agent Shen Ke flees beyond the pass with a secret letter exposing treason, becoming embroiled in the mystery surrounding Yuan Chonghuan's assassination. His sworn brother Chen Shizhi, "dead" for three years, reappears with a blade in hand. His scars and secrets make it impossible to tell truth from lies. When the embroidered spring sword clashes with the Tang sword, is an old friend protecting him, or is this a new move in a deadly game? Amid blood and fire, brotherhood and the dynasty's crisis are torn apart together.
