Orphan Song Dagou grew up in the mountains of the northwest, relying on his grandfather, the village chief, for everything. He and Song Youcai, the blacksmith's son who grew up in the village with him, head down the mountain to seek their fortunes. Armed with all the skills he developed through a lifetime in the mountains, Song Dagou embarks on a thrilling, eventful life. He inherited his grandfather's mastery of traditional Chinese medicine and is especially skilled in ancient acupuncture techniques. His Five-Animal Exercises are practiced to perfection, and he knows a few light-footed martial arts techniques. Bright and kind from childhood, he always knows right from wrong and has a natural affinity with animals, which often come to him for help when they are injured. His older brother, Song Dacai, is honest and simple-minded, tall and heavyset, and born with tremendous strength. He has just begun to master the Iron Head technique, and his back-thrusting hand can contend with a wild bear. As they prepare to enter the bustling, colorful world beyond the mountains, how will it change their simple hearts? What opportunities and conflicts await them? Join us as we open the door to their world and look forward to their exciting story!