Rex is engaged by Gunnar Isis, a ruthless international tycoon, to guard a priceless diamond tiara. When it is stolen from his mistress, lovely ballerina Amanda Sant, Rex is thrown into a maze of murderers, blackmailers and Nazis.
Roger recounts how he took in struggling nerd Stu as junior partner, after Roger rescued a beauty from a kidnapping plus nabbed a car ring single-handed, after bow-tied, all-thumbs Stu botched the car theft investigation. Roger's princely version of the origin of 77 Sunset Strip is in response to Rex making a rash mistake by asking Roger how their agency started. As a true detective, Rex needs all the facts to close a case, so he grills Stu for his version of the events.
Meek bookkeeper Wilmer Zaleski picks 6 of 8 winners every day at the track, attracting the attention of hoods Flip & Schoolboy plus a statuesque billionaire track dilettante. Babs hires Stu to find out Zaleski's secret, while the strong-arms pummel Wilmer and kidnap his daughter. Maverick's a sure bet to win, but Roscoe has to pull an all-nighter to pick the other 5, to draw the kidnappers out in the open.
While Bailey and Spencer are out, Randolph takes an assignment from a mysterious South American girl, but he's apparently killed en route to her country when his plane explodes. The other detectives suspect he was actually kidnapped.
Randolph awakens from a drugged state to find he has been kidnapped by a banana republic's crooked politicos, and forced to impersonate a dead leader the people trust. Bailey and Spencer enlist Kookie and Roscoe to help in a rescue mission.
Suzanne goes undercover at females-only El Rancho Aphrodite when a actor dies suspiciously and a boozy actress is suspected of being involved. A studio hires Bailey & Spencer to help the bombshell make it through rehab , but someone sabotages her riding saddle and plants hooch in her drawer. Spa goers include a gossip columnist, a rival starlet, and others connected with the dead actor, such as a Waco riding instructor.
An overly functional family spins Jeff's head like a Lazy Susan, over a murder/jewel heist where nothing makes sense. A precocious grandchild with a pet ocelot bedevils Roscoe, one daughter's missing, and sister Lally's draped all over Jeff. Narcotics, somnambulism, an asylum visit, an elusive psychiatrist, and a mother who makes as much sense as Gracie Allen challenge the Bailey & Spencer firm's patience and resources, as everyone feeds Lt. Gilmore straight lines.
This is one man show as Efrin zimbelist jr does a solo performance. Stu Bailey is lured into a desert hide away were an old enemy lies in wait to kill him. Only the enemy's voice is heatd and never seen.