In episode 13, Cen Sen and Xu Bin finally discover the secret of Que Le Huo Duo – ink stones made from oil will be the catalyst to burn down all of Chang An. The lowly Yuan Zai meets with Feng Da Lun but quickly discovers that the woman the Blaze Gang captured is more than meets the eye. He seizes his opportunity to climb up the ranks. In the meanwhile, Li Bi turns his suspicions to Xu Bin.