After eight-year-old girl Niuniu unexpectedly gains the ability to understand animal speech, together with her uncle Lin Haichuan, who serves as the zoo director, they successively solve problems such as a brown bear's fear of a monkey stress response, a raccoon's misunderstanding of loving to pick locks, a wild boar's stereotypical door-bumping, and a retired search-and-rescue dog's abnormal behavior at fixed times, bringing a failing zoo back to life, and also puncturing the multiple malicious traps set by Lu Zhenchuan, the head of the competing Wansen Zoo, until finally the zoo successfully overcomes the crisis and all animals are properly settled.