Chao Gai and others robbed the birth program, and the yamen wanted to arrest him. Song Jiang tipped them off and let them escape. Classical Wu Yong and a group of people fled to Liangshan, which provoked Lin Chonghuo, merged with Wang Lun and occupied Liangshan. Classical ordered people to send gold to repay Song Jiang. Song Jiang only received one, and the rest were returned. This gold bar and the letter addressed to him were discovered by his concubine Yan Poxi. Because Yan Poxi had an affair behind Song Jiang's back, he blackmailed Song Jiang and demanded a divorce. The house and all the properties in the room belong to her, and Song Jiangdu agreed. Because she saw that Song Jiang got a lot of gold in the letter, she asked Song Jiang to give it to her. Song Jiang doesn't accept gold and can't take it out. Yan Po regretted it and didn't believe his explanation. He was forced to accidentally kill her.