Volume 1: The primeval forest along the Mekong River in South Vietnam, the terrifying parrot totem, evolved humans... How are these related to the serious crimes that occurred in the city? Su Ying, a well-known footprint expert in the country and an outstanding first-class superintendent, will face endless fear and the blood-red shadow of the blood-eating parrot...
Volume 2: Several corpses that disappeared inexplicably from a cemetery in remote Zimbabwe actually appeared in a domestic hospital... What is the purpose of the mysterious night corpse digger? Is this just a simple corpse buying and selling transaction? Su Ying and her colleagues will face another fatal crisis.