Later, they walk through the part of Peking known as Heaven's Bridge, a crime filled area. Master Li spots a robbery in progress and makes a detour to Fire Horse Park, specifically to the Eye of Tranquility, a small lake surrounded by old sinners hoping for salvation, following the tradition of Chiang Taikung, a Taoist who fished without worms. Li Kao wrings a confession about the mushrooms from a toadish fellow named Hsiang. He identifies the manuscript fragment as a Ssu-ma Ch'ien, but an obvious forgery. It has also been traced recently.