Enthralling Storytelling Session

How on earth did Zhang Wenyuan manage to interfere in the relationship between Song Jiang and Yan Poxi?

The stories in *Water Margin* always make people can't help but think deeply. Take the relationship between Song Jiang and Yan Poxi as an example. At first, they were as affectionate as honey blended with oil. But how on earth did Zhang Wenyuan manage to take advantage of the situation later? There are quite a few twists and turns in this, and let's talk about it in detail.