Zhao Changhe was reborn in 1975 and exposed his mother's conspiracy to force him to take the blame for his murderous brother. After reporting his family's real name, he took the initiative to go to Guhe to jump in the queue. A strange disease breaks out in mules and horses in the forest area. He sees through the misdiagnosis by experts, uses traditional Chinese medicine to save the animals, and becomes an unusual cadre of the veterinary station. After that, he rescued a seriously injured hunting dog, went into the mountains to kill wild boars and black bears, met a group of hunters, and became known as the Dog King. He repeatedly rescued mountain people in distress, punished despicable villains, figured out mountain forest resources, wrote breeding plans, trained hounds, got to know the Oroqen people, made up for the regrets of his previous life, created a new life in the forest, and protected his sweetheart Zhu Nanzhi.
