Three extraterrestrials sent to Earth to protect it from it's warlike ways take the form of Earth animals, and team up with a young boy and his older brother, who works as a secret agent.

Three aliens are sent to Earth by the Galactic Congress to decide if it should be destroyed to protect universal peace from mankind's warlike ways. The three assume disguises as animals; Bonnie a rabbit, Ronnie a horse, and Zero a duck. They befriend a young earth boy named Kenny, and become involved with his older brother, Randy, who is a secret agent fighting international crime.—paule