Bob Randall, temporarily in command of the Coast Guard vessel Niobe, expects a promotion and the captaincy of his ship. Instead, he is replaced by Lieutenant Mays, son of the area commander. Mays is afflicted with a fear of the sea, although he has served well in Coast Guard aviation. His father, however, thinks Mays can overcome his fear by taking command of the Niobe. When seal poachers kidnap Bob Randall’s girlfriend Connie, Bob and Mays disagree about the proper means of rescuing her and capturing the seal poachers. When Mays’s inexperience and phobia foil their attempts at rescue, Bob comes up with his own plan.
Set during World War I, Submarine Patrol stars Preston S. Foster as a naval officer demoted for dereliction of duty. He is forced to commandeer a battered old submarine chaser and its ragtag crew. Anxious to redeem himself, Foster transforms his loser underlings into a crack combat team, chalking up numerous enemy sinkings.
Slim, a prisoner on parole, forms a great friendship with Dominic, the boss of the lumber camp where he gets a job. After the job is finished, Slim loses contact with his girlfriend, Tina and they set out to find each other. Dominic befriends her and they marry, even though she is still in love with Slim. Slim returns at the end of the wedding party, and and argument develops which leads to Dominic trying to kill Slim…
New York private eye Shamus McCoy likes girls, drink and gambling, but by the look of his flat business can’t be too hot. So an offer of $10,000 to finds some diamonds stolen in a daring raid with a flame-thrower is too good to miss. His investigations soon get pretty complicated and rather too dangerous. At least along the way he does get to meet Alexis.
A break-in and sabotage attempt occurs at a top secret research institute and the culprit is cornered and captured. The problem is that he’s been badly injured and claims to have lost his memory entirely. A cat-and-mouse game ensues between investigator Tuxan, the mystery intruder Welles and the people who sent him on the mission.
Police officer Newman has not gotten the reputation of a straight arrow by avoiding conflict when fighting for right. His honesty is put to a strong test when he and his partner discover an international drug ring involving some of the police department’s highest ranking officers.
Dr. Aja Turner, a beautiful female scientist, implants a computer in a German Shepherd’s brain to help it track and capture criminals. Crooks, led by Anton Zeiss, make off with the cybernetic canine. Dr. Turner teams up with Eddie Monroe, a hard-nosed policeman who is implanted with a microchip allowing him to communicate with the dog.
An American businessman who is mistaken by everybody for a super-secret British agent on the trail of smuggled diamonds. When supposedly his liaison at the British Embassy meets him at the Lisbon airport, the car intended for him is blown up. No matter how much he protests, all of which are accepted as cover for his actual mission, he is then transported into a world of scheming, dangerous, underworld characters.