On their journey to retrieve the scriptures, Tang Sanzang and his disciples arrive at Flat-Top Mountain, where they encounter the demons Golden Horn and Silver Horn. The demons use a trick to trap Wukong under the mountain and capture Tang Sanzang and the others. After escaping, Wukong transforms into their mother, the Nine-Tailed Fox, to rescue his master and companions, ultimately leading Golden Horn and Silver Horn to abandon their evil ways.