Recidivist hold-up man H.I. McDonnough and policewoman Edwina marry, and then discover that they are unable to conceive a child. Desperate for a baby, the pair decide to kidnap one of the quintuplets of furniture tycoon Nathan Arizona. The McDunnoughs try to keep their crime secret, while friends, co-workers, and a feral bounty hunter look to use Nathan Jr. for their own purposes.