In the specimen library of Peking University, the mythical beast in "The Classic of Mountains and Seas" "refutes" its real existence - its genes can rewrite life and regenerate severed limbs. A multinational biological company stole its bone marrow and secretly created human-animal chimeras in an attempt to create "super soldiers." Young researcher Shen Yu and Qin Shiyue, whose bodies are full of rebellious blood, must stop this plunder of life before they are hunted. This is not science fiction, but an ancient fable about "return": for some things, you can steal its genes, but you cannot steal its thousands of years of memory and the heartbeat of returning home.
