A young couple, Rosemary and Guy, moves into an infamous New York apartment building, known by frightening legends and mysterious events, with the purpose of starting a family.
A condemned murderer, scheduled to hang in the morning, asks for the company of a woman in his final hours.
A couple who have escaped from the Baltics to Copenhagen are pursued by a KGB officer.
Slip has entered the Boys' rattletrap car in a souped-up jalopy race, but has no chance of winning until Satch, with the aid of a scientist acquaintance, comes up with a chemical concoction that acts as a super-fuel; but a rival entrant in the race learns of this and tries to get the formula for himself.
Race car driver Frank Cermak is in love with Jane Harris. Jane and her parents watch Frank win a tight race from Bill Peters, an army lieutenant on leave. Peters tries to foul Frank, and Frank beats him in a fist fight after the race. Frank is drafted into the army and (against staggering and overwhelming odds) finds Lt. Peters to be his commanding officer.
Marshal Rocky Lane is sent to help the Sheriff who is under attack from both the miners whose ore wagons are disappearing and the newspaper editor for not catching the outlaws. But the editor is actually the leader of the gang and with the election forthcoming, she has a plan to make the Sheriff look bad so her son will be elected Sheriff thereby making it easy for them to continue with their robberies.
Major Daniel Kirby takes command of a squadron of Marine fliers just before they are about to go into combat. While the men are well meaning, he finds them undisciplined and prone to always finding excuses to do what is easy rather than what is necessary. The root of the problem is the second in command, Capt. Carl 'Griff' Griffin. Griff is the best flier in the group but Kirby finds him a poor commander who is not prepared to make the difficult decision that all commanders have to make - to put men in harm's way knowing that they may be killed.
The Lionians, a tribe of lion worshippers, make a desperate attempt to find a cure for the mysterious disease plaguing their village. Their Chief decides to kidnap Jane and Lola, a half-breed nurse, in order to help repopulate his civilization. Tarzan must rescue them while fending off blowgun attacks from people called the Waddies who are disguised as bushes.
Ice-cold college dean Susan Middlecott feels there's no room in her life for romance. Enter Prof. Alec Stevenson, British lecturer on astronomy, touring North America and in possession of a keepsake of Susan's he wants to return. Desperate for publicity, lecture bureau press agent Teddy Evans magnifies this into a great romance. The efforts of both dignified principals to quash the story have the opposite effect; matters get more and more involved.