Tightrope

Episode 2

The Casino

Episode 3

The Frame

Undercover agent Nick Stone infiltrates a gang of jewel thieves to find evidence that a man convicted of murder during a jewel robbery is actually innocent.

Episode 4

Stand on Velvet

The agent joins the gang of William Kane, their objective is to run the leader of the numbers racket out of town.

Episode 5

The Cracking Point

The undercover agent joins in on a robbery.

Episode 6

Thousand Dollar Bill

Episode 7

Music and Mink

Episode 8

Man in the Middle

Episode 9

The Patsy

Episode 10

The Money Fight

After a boxer is killed for not throwing a fight as ordered, Nick goes undercover by taking over as manager for another young prizefighter, planning eventually to get him to turn evidence against the crooked promoter who ordered the killing.

Episode 11

Black Tie Kill

Episode 12

The Perfect Circle

Barney MacCready puts his train-robbery plan into action. First he kidnaps a detective, then he has two of his henchmen board the train one posing as the missing detective the other as his prisoner.

Episode 13

The Lady

Episode 14

Cold Kill

An undercover agent assumes the identity of a killer hired to rub out a murder witness. But the intended victim is hiding, and the first task is to smoke him out.

Episode 15

The Neon Wheel

Episode 16

Two Private Eyes

Sam Keely and Jeff Stewart are a bit on the shady side. The undercover agent's strategy is to muscle in on their racket.

Episode 17

Night of the Gun

Dan Hawley and David Johnson, witnesses to a murder committed by gangster Jimmy Farrow, are a target for Larry Maddox, a hired killer. After Maddox kills Hawley, police take Johnson's wife and children into protective custody. Johnson, fearing for his life, goes into hiding. Nick is put on the case.

Episode 18

Broken Rope

Episode 19

Cold Ice

Episode 20

Appointment in Jericho (a.k.a. Assignment in Jericho)

Episode 21

Three to Make Ready

Episode 22

The Model and the Mobster

Mobster Sid Zero is a man who gets what he wants in business and women by using muscle, threats, and, if necessary, murder. Nick goes undercover to bring him down, and tries to get the help of the latest young model Zero has forced into becoming his mistress.

Episode 23

The Long Odds

A detective assigned to investigate a phoney health club is killed by one of the club owners. An undercover agent follows up, convincing the gangsters that he's a gambler on the run.

Episode 24

The Brave Pigeon

Underworld leader Max Rommey wants Paul Anderson dead. To protect Anderson, the undercover agent becomes part of Rommey's gang.

Episode 25

First Time Out

Episode 26

Park Avenue Story

Episode 27

Big Business

Episode 28

The Chinese Pendant

Episode 29

Achilles and His Heels

Episode 30

The Gangster's Daughter

The first step for Nick in infiltrating Vince Baron's gang is foiling the attempted kidnapping of Baron's daughter. He must also contend with a young upstart who wants to push Baron out as leader. What Nick was not expecting was to fall for the daughter.

Episode 31

The Penthouse Story

Episode 32

The Shark

Episode 33

The Horse Runs High

The undercover agent is assigned to break up a gambling ring that bets heavily on certain horses--and then makes sure they win by doping them.

Episode 34

The Hired Guns

Episode 35

Borderline

The undercover agent is assigned to smash a dope ring that sells to Americans from a base in Mexico.

Episode 36

A Matter of Money

Nick is assigned to break up a gang headed by Steve Taylor. This particularly unsavory gang uses threats and violence to force small shopkeepers to pay for protection.

Episode 37

Bullets and Ballet