A fairy encourages Snafu to duck out of his training regime for his own reasons.

Two escaped convicts are found hiding in a rocket ship built by a renegade inventor, who forces them to become the crew for a trip to the Moon. Also on board, as inadvertent stowaways, are his assistant and his secretary; and none of them are aware that the inventor is actually a Lunarian explorer sent to Earth by the dying Lunar civilization.

After an eight-month stay in a mental hospital, a tormented man comes home to live with his sister; but a mysterious boarder may be trying to kill him.