Chen Yongsheng

In the puppet state of Manchukuo in the 1930s, four Communist party special agents, after returning to China, embark on a secret mission. Sold out by a traitor, the team find themselves surrounded by threats on all sides.

During China's Song Dynasty, A mysterious murder occurs at Chancellor Quin Hui's residence after meeting delegates from the neighboring Jin Dynasty. The members become embroiled not just in a murder mystery, but a larger conspiracy concerning the fate of the empire.