After inquiring, the three brothers find out that Lady Earth-gusher has kidnapped the Tang Priest and taken him to the Bottomless Cave. The three brothers find the Bottomless Cave at Mount Pitfall. The She-devil tries to seduce the Tang Priest in every possible way, but he pays no notice to it. Monkey agrees with his master on a plan, where Monkey shall enter the devil’s stomach and make her surrender. This is a method Monkey has used with great success at the Plantain Cave, the Lion Cave and other places.
弟兄三人打探後得知“湧泉夫人”將師父攝至無底洞。弟兄三人找到陷空山無底洞，女妖百般調戲唐僧，唐僧不理。大聖和師父定計，用鑽入妖腹中的方法逼降妖怪。這是大聖在芭蕉洞獅駝洞等地累次獲勝的經驗。