Stu, Jeff, and Kookie tell Rex three very different versions of the events that launched the agency.

Stu's search for the owner of some oil-rich land in Oklahoma takes him to Connecticut, and a black man who is passing for white.

Stu Bailey and four other survivors of a plane crash at sea reach an isolated island only to discover that it is the target of an H-bomb test.

Jeff's attempts to rescue a kidnapped mob witness lead to a lethal game of tag.

Jeff is caught by the criminals he was tracking to an abandoned farmhouse.

Stu finds himself in a ghost town, plagued by a ghostly voice that promises him a terrible death.

Stu ends up holding the bag when he's hired to help fake a robbery for the heir to a criminal family.

Kookie befriends a pretty teenager who is kidnapped, making him think that she is a runaway heiress and causing Bailey and Spencer to become involved.

A mobster's cronies put out a hit on Stu, who is the main witness against the criminal.

Jeff Spencer tries to help a friend with a gambling problem, who has become an assassin's target after becoming involved in a race-fixing scheme.

Stu Bailey is hired by a woman to prove that she is innocent of the mercy killing of her invalid husband.

A cat burglar who dons the costumes of films past confounds Stu.

The detectives turn their skills toward helping Lt. Gilmore, who's apparently being set up.

Rex is hired to protect a man during Nugget City's Frontier Week.

In the process of recovering a stolen diamond tiara, Rex and Kookie uncover the identity of a former Nazi who is also a killer.

A former rodeo star interrupts a wedding, threatening to expose secrets from the bride's past.

A borrowed car with sabotaged brakes leads to murder, and Kookie's quest to find the killer leads him into a tangle of romantic triangles and blackmail.

The detectives' former secretary walks back in after six years, suffering from amnesia.

Stu Bailey, hired to locate some old acquaintances of a disk jockey, finds himself framed for their murder.

Jeff Spencer investigates an apparently accidental death and discovers a serial killer, thereby making himself the next victim.

Jeff Spencer, hired by a Texas oil dynasty to protect their teenage daughter from a fortune-hunting gigolo, must prove her innocent when she is found with his dead body.

A woman hires Jeff and Kookie to search for her missing husband. They find a killer, an inheritance, and several other wives.

Jeff tracks paroled crook Stanley Leckonby in hopes of finding a hidden fortune.

Someone calling himself R.E. Venge begins sending threatening letters and trying to kill Jeff.

Jeff is hired by a movie executive who suspects the attempted murder of a parade Santa during a televised event may have been an attempt on the life of the actress sitting beside him.