A boy's report that he witnessed a woman's abduction nearly gets him killed.
One of Archie's closest friends is gunned down on Nero's doorstep.
When a mobster and a woman posing as his daughter are gunned down, Wolfe (William Conrad) must locate the man's real daughter.
In a solicitor's office a small green lacquer box has been stolen. It belongs to a client, Patrick Pendleton. Janet Eaton hires Wolfe. She asks him, to retrieve the small box whose contents is valuable but unknown. When Archie visits Patrick, the latter is shot during the conversation.
Peter Hayes receives an anonymous call: his friend Maggie was beaten again by her husband. Peter hurries into her flat. There Maggie's husband lies shot on the floor. Peter is arrested by the police under murder suspicion.
Nero (William Conrad) endures the destruction of his greenhouse while probing the disappearance of a shipping magnate's right-hand man.
The rich lady Sarah Reckham turns to Nero for assistance. Her husband Barry demands again and again large sums of money from her. Although she always refuses to give money, he always manages to have money. Sarah wants to know, where Barry obtains the money from.
On the way to visit Nero Wolfe, a lawyer named Leonard Drake loses control of his car and he crashes. He dies and the police labels the case as a suicide. However Archie discovers a connection between Drake's death and the manuscript of an author named Blake Ritchie. A manuscript reader seems to know more than she reveals.
Nero's coworker Saul Panzer stands under murder suspicion. The corpse of his friend, a night club singer, was rescued from the East River. Naturally the eccentric detective risks to prove Saul's innocence.
There are some Hitchcock overtones in this mystery, at least in the beginning: a former underwater strip-tease artist's body is found floating in the East River. And as the intrepid detective probes the murder, one of his prime suspects turns out to be the decedent's boyfriend — the coroner.
Wolfe's brownstone is bugged and booby-trapped by a paroled electronics expert with a grudge. The man deems Nero guilty of turning him and a group of spies in for having sold secrets to the Germans during the war.
Harlan Davidson has died in the explosion of his ship. His daughter visits Nero Wolfe. She accuses her stepmother of having planned the putative accident with her lover Neil.
Nero has a new client: Carol Wharton who comes along worried about her husband, a prosecutor. Two murder attempts have been committed on the former public prosecutor. Shortly after, Carol's car overthrows slides down a slope and rises in flames.
A burglar filches from Nero the best piece from his orchid collection. A day later Morthy Barbridge is caught and confesses to be the thief. He asks Wolfe for help. As a consideration he wants to return him the orchid again.
Five years has spent bank robber Clay Baylor in the prison. Private detective Nero has sent him there. Now the crook wants revenge. He hires two killers who should neutralize the eccentric snooper.