Old Events in Peiping, the Capital Is Filled with Snow

Background: From the late 1930s to 1945, the period of the fall of Peiping. With "Tongyinli" in the deep house compound as the core stage, there are undercurrents of various forces - military agents, underground parties, traitors, elderly people, and Japanese scholars. Their fates are intertwined in the protection of culture and the secret battle of life and death.