In order to find his lost house cat, Li Xiaoyu, an ordinary boy, accidentally broke into the mysterious mountain forest and encountered legendary beasts such as the nine-tailed fox cub Cheng Cheng and the snake god Yin Jing. In the midst of friendship, crisis and adventure, several humans/animals form an adventure team and embark on a journey to balance the divine and mortal worlds, and save the tribe and themselves. Under the guidance of the resourceful girl Yue Ming, they repeatedly overcome crises, but they also continue to face greater challenges. In the process, the mythical beasts made mistakes and made jokes, and the mortals gradually understood the meaning of growth. In the end, everyone faced the threat of the old gods represented by Tu Bo, and used wisdom and true love to bridge the rift, achieve self-salvation, and reshape the new relationship between divine beasts and mortals. The story ends with ups and downs of adventure and laughter, showing a moving chapter of man and god, growth and reconciliation in Chinese mythology.