A happily married couple has been trying to have a baby with no luck. They discover that the husband is sterile. Their family doctor suggests that they think about artificial insemination, which at the time was considered a scandalous choice.
G-Man Ted Riley is ordered to investigate happenings at Diamond Island, where a bogus Major Gray is reported engaged in manufacturing a new brand of secret gas for his own purposes. Riley blows up his motor boat just off the island and is picked up by Gray's men. On the island he discovers chemist Professor Baker (John Cowell) and his daughter, Anne, are held captive by Major Gray.
Captain John Kent is a pilot in charge of the border patrol. Two crooks who head up a smuggling operation, Morley and his associate Faber, are trying to outwit Kent. The smugglers hope that they can influence Kent's younger brother Doug to help them, and they employ an attractive singer in an attempt to win Doug over.
A nosy reporter (Nugent) befriends the dumb Coughlin and pushes the Governor to commute his sentence. Now, Coughlin can ride his family's pride and joy in the Kentucky Derby. BUT, the mean old Warden cancels all paroles--and the idiot decides to escape (even though he's only got 10 more months to serve). So, the reporter has a hunch and goes to see if he can find Coughlin--and the Warden deputizes him!! At this point you might wonder if the boy will make good and win the big race
