At the end of Yuan Dynasty and the beginning of Ming Dynasty, Emperor Gaozu Zhu Yuanzhang established the Ming Dynasty with an unstable foundation. He issued golden medals of immunity from death to his close ministers, which caused turmoil in the court and the country... Shen Wansan, the richest man in Jiangnan, conspired to seize power. The Jinyiwei lurked in Shen's mansion to investigate the incident. Unexpectedly, the red book and iron certificate were stolen, and a bloody storm unfolded... Jinyiwei commander Xu Da and eunuch Hua Yuerong killed upright officials in order to eliminate dissidents. The film revolves around the main line of court struggle and slowly unveils the mysterious and unknown history.