What is the relationship between King Wudang and Chulan Zhang?

According to the TV series Under One Man, in Under One Man, Wang and I met because of playing Luo Tian University. Wang also predicted the influence, which surprised him. He once suggested that Chulan Zhang give up what he was going to do now, and then they cooperated again in Biyou Village and had a good relationship with each other. Smart people can talk easily and become friends.