Emperor Chongzhen of the Ming Dynasty ascended the throne, and the eunuch Wei Zhongxian (played by Jin Shijie) and his "eunuch" were destroyed by Jin Yiwei. Among the Jin Yiwei, the three sworn brothers Lu Jianxing (played by Wang Qianyuan), Shen Lian (played by Zhang Zhen) and Jin Yichuan (played by Li Dongxue) are the most courageous and upright. The eldest brother Lu Jianxing wants to be promoted to a hundred families, Shen Lian wants to rescue Zhou Miaotong (played by Liu Shishi), the prostitute of Jiaofang Si, and the third brother Jin Yichuan wants to free himself from the entanglement of the wanderer Ding Xiu (played by Zhou Yiwei).
In the late Ming Dynasty, three sworn brothers who serve as the imperial secret police are dispatched to hunt down Wei Zhongxian, a eunuch politician who had been forced to resign from his influential post and exiled from Beijing. The brothers return successfully from their quest, only to find that their task was but the beginning of a strange conspiracy.
An imperial guard searches for the truth behind a conspiracy that framed him and his partners. The proof of his innocence lies with a wanted woman named Bei Zhai... but will she reveal what she knows? In this intense prequel to BROTHERHOOD OF BLADES, the only thing he can truly trust is his sword.
