The Gu family is wealthy and prominent, but throughout history, they have been unable to escape the curse of passing their line only through one heir. Their only heir, Gu Rui, spends his days indulging in food, drink, and entertainment, neglecting his responsibilities, which causes great worry for the elder of the Gu family. Gu Rui is kidnapped and hunted by the mafia, and inadvertently stumbles into a spaceship, releasing alien beings that have been imprisoned for millions of years. He also acquires the magical powers and battle pet, Xueqing, which were summoned by former humans. The aliens aim to dominate Earth, parasitizing human bodies, and seek to eliminate their greatest obstacle - the last person on Earth with magical powers, Gu Rui. Gu Rui is forced into a battle with the aliens, facing a variety of bizarre opponents. To cope with the continually evolving aliens, Gu Rui practices his magic with the help of his summoned allies and successfully subdues the four powerful generals: the Azure Dragon, the White Tiger, the Vermilion Bird, and the Black Tortoise. As the situation develops, Gu Rui discovers that the most troublesome...