See Part One

Hardcastle is quite upset when he is criticized in “Without Sin,” the autobiography of retired mobster Joseph Cadillac. Figuring that the mob, also the subject of Cadillac's criticism, will be angered as well, Hardcastle has Mark follow the author. Later, Hardcastle is surprised when Cadillac comes to him for help.

Teddy, McCormick's cellmate in prison, is out on parole. He has been staying with Mark in the guesthouse, without Hardcastle's knowledge or permission. Now, his parole officer, Quinlan, informs him that due to a minor infraction, he has the power to send him back to prison, unless he pays him a thousand dollars a week.

A convict who has been having an affair with the warden's wife, escapes with her help. He then calls Hardcastle, which agitates him. He and McCormick go out to find him. Eventually, it's revealed that before Hardcastle chose McCormick, he gave this guy a try—and he proved Hardcastle wrong.

Hardcastle wants to investigate a woman named Tina Grey. When Hardcastle goes to the police for info, a Captain Filapiano, who doesn't like Hardcastle, asks him to leave. Hardcastle then tells McCormick to get close to her. As they get closer, a gangster named Joe Beiber, whom she has been seeing, and who is insanely jealous abducts them.

Boxer Kid Calico is told to throw a fight in order to keep his kidnapped father alive.

Hardcastle & McCormick set out to assist a lawyer, who is an old friend of Hardcastle's, convict a mobster who is running stolen property in semi-trucks.

Hardcastle persuades an old friend, played by Buddy Ebsen, to obtain a role in a movie in which the movie producer is using his films to cover up his drug smuggling operation.

A gang member is remanded into the judge's custody only to stay in the guest house with Mark, while the judge and Mark go after a psychiatrist who has been taping private sessions with clients revealing vital damaging information.