In a future where ridicule is constant, Li Peng, a fraudster on Earth, is involved in a cosmic dispute due to an accident involving an alien. In the midst of laughter and tricks, he teamed up with the mysterious alien Harry, the confused engineer Fat Ming, and the biology doctor Alian to bring human cunning and humor to the interstellar stage. When the alien leader Nunse leads his tribe to covet the earth's resources, the cosmic bounty hunter Sachi takes advantage of the situation, and a hilarious interstellar war is about to begin. The growth of the three people and the collision with aliens triggered a series of chain misunderstandings and an adventure that "laughed the universe." From escaping from the earth, interstellar adventures to uncovering the mystery of the alien race, misunderstandings, friendship, betrayal, and humor are intertwined into an ups and downs and relaxed alien war. In the end, understanding and reconciliation among the "alien" ushered in. The book has a tight pace, climaxes one after another, and laughter throughout.