In a world where everyone can form contracts with mythical beasts, poor boy Li Chuqi cannot afford a beast egg. By chance, however, he finds a black egg and hatches a greedy little creature that loves eating metal and gold, which he names Meiqiu. Together, the boy and his beast venture into the county academy, explore secret realms, and battle formidable enemies, rising from being looked down upon to finally revealing their talents. As Meiqiu's mysterious bloodline awakens, conspiracies involving the seizure of beasts and the sealing of names begin to unfold. Faced with the greed of powerful figures, Li Chuqi refuses to surrender his companion, while Meiqiu protects him with the might of a divine beast. Together, they carve out their own path.