On the night of the winter solstice in the first year of Kangxi's reign, nine felons with different identities in Yingtianfu Tianlao were in desperate situation. A mysterious black shadow robs the prison, causing a melee, and everyone mistakenly enters the secret passage of Qimen Dunjia. As Zhang Laotou's corpse and the Nine Palaces Killing Formation appear one after another, the mystery of the jade pendant gradually becomes apparent. When Governor Jiangning's conspiracy came to light, Su Qinghan risked his life to protect him and revealed the shocking secret that "Mr. Shen" was actually the former Ming Prince.
