The three disciples are waiting for their master to have lunch, but the time passes without the Tang Priest appearing. Monkey and Pig get outside to meet their master and find out why he has become so delayed. They notice a royal announcement to recruit doctors. Monkey tears off the announcement and hurries to the palace to take the assignment to heal the king. When Monkey reveals the secret reasons of the king’s disease, he wins the approval from the ministers and the king himself.
師弟兄三人等師父午膳，但唐僧遲遲不歸。悟空八戒外出迎師，瞭解一下師父爲何事耽延。兩人見到招醫皇榜。大聖揭了皇榜，應聘到王府，爲國王診病。當大聖敍述國王的秘密病因時，得到國王和大臣們的贊可。