Li Yan, a talented medical graduate, successfully became the assistant of the famous veterinarian Dr. Wang under the strong recommendation of his mentor Professor Wang.However, behind this seemingly ordinary internship opportunity, there is a hidden secret.The real purpose of Professor Wang's trip is to hope that Li Yan can conduct an in-depth investigation and find out Dr. Wang's mysterious life experience.

Although Li Yan was not very interested in the profession of veterinarian, his trust in Professor Wang and his curiosity about the unknown world drove him to accept this challenge.So, he and Professor Wang embarked on this internship journey full of unknowns and adventures.

The first task they faced was to rescue a lion sent by a breeder.This lion has recently lost its appetite and its physical condition is worrying.Li Yan and Dr. Wang quickly started work and conducted a comprehensive physical examination of the lion.During the examination, they discovered abnormalities in the lion's digestive system, which seemed to be caused by certain ingredients in the food that caused indigestion.

In order to find out the root of the problem, Li Yan began to conduct in-depth research on the eating habits and breeding environment of lions.He carefully asked the keepers about the lion's daily diet and living habits, and personally observed the lion's living conditions.After a series of investigations and experiments, Li Yan finally found the crux of the problem: It turned out that in order to supplement the nutrition of the lions, breeders often added some human food to the food, and some of the ingredients in these foods were harmful to the lion's digestive system.caused a burden.

After finding the source of the problem, Li Yan and Dr. Wang quickly formulated a treatment plan.They adjusted the lion's diet, removed foods that were harmful to the lion's digestive system, and added some nutritious foods specially designed for lions.Under their careful treatment, the lion's physical condition gradually improved and his appetite gradually recovered.