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.