唐僧師徒四人繼續西行，路經陷空山無底洞，洞中有千年白鼠精—地湧夫人，幻化為落難女子於荒山野嶺向唐僧求救，小鼠精並趁亂將唐僧擄回洞中。孫悟空與豬八戒爲救師傅深入洞中尋找，方知白鼠精為托塔天王李靖義女，乃上天庭向玉帝告狀。玉帝責令天兵天將追捕白鼠精，並再請出貓神，擒獲白鼠精，救出唐三藏。
　
The priest Syuan Zang and his three disciples keep on traveling westwards. On the way, they encounter an incident on the mountain and fall into a bottomless hole. In the hole is a thousand-year White-Mouse Demon called Madam Di Yong. She disguises herself as a girl trapped in a wild deserted mountain and asks Syuan Zang for help. She takes him to the hole by using an opportunity while everything is chaotic. To rescue their master, Monkey King and Monster Pig go deep down in the hole to search for him. Knowing White-Mouse Demon is King Tuota's foster daughter, they decide to file a lawsuit to Emperor Jade. Emperor Jade commands an order of asking heavenly soldiers to arrest White-Mouse Demon and also invites Cat God to catch her. Finally Syuan Zang is saved.