No. 13 Baochan Hutong in Beiping was originally the residence of King Zheng of the Qing Dynasty, and became one of the top ten murderous mansions in Beiping due to the unexplained deaths of its occupants from time to time. A couple from Shanghai rented the house, and the old man on watch told them the story of the old house. When the Eight-Power Allied Forces invaded, King Zheng's father was dragged to his death by a foreigner's horse for not letting the foreigner occupy the mansion, and since t...