When Yang Guo and Xiaolongnv met Kublai, Yang Guo went to Xiangyang at Kublai's request, waiting for an opportunity to assassinate Guo Jing. The brothers of the Wu family like Guo Fu, and they came to help Guo Jing shoucheng to see what his sons are worried about. Yang Guo and Xiaolongnv came to Guo Jing. Huang Rong suspected that Yang Guo had a purpose and asked Guo Jing to beware of Yang Guo. In the middle of the night, Yang Guo attacked, but Guo Jing suddenly woke up, thinking that Yang Guo had lost his mind and lost his true energy to Yang Guo. The next day the Mongolian army attacked the city, and Guo Jing went out to fight.