The rules and laws of this world are merely tools for keeping ordinary people in check. But to the Four Great Families, entrenched in Longguo for thousands of years, rules are nothing more than a game. Lin Tianran faces the Four Great Families alone, with sword in hand, in an endless contest of wit and strength. Yet when he finally eradicates these four cancers, Nüwa tells him that he is the only Human Emperor in the world, shouldering the destiny of all humanity, and must fight both Heaven and Earth...