Grave Robbing? No, No, Let's Dig Grass

In a book of medicinal herbs passed down from the protagonist's family, three descendants of a declining family of traditional Chinese medicine reveal the mystery of traditional Chinese medicine in the world. The bloodshed in Tianchi of Changbai Mountain, the tears in Ailao Mountain in Yunnan, the ghost lake in Tibet, the mysterious Black Dragon Pond pagoda in Mount Tai, the unknown mysterious herb protecting the monster, a narrow escape from death