A cantankerous business partner wants to make sure his partner doesn’t short change him, or try to kill him. The man’s wife is more practical. She just wants things to continue, nobody to be killed, and the business to go on being lucrative. When Eugene is found dead with Nero’s receipt on his person, the genius detective is forced to report what has transpired in his office. Accusations fly, and the suspected business partner seems just as surprised to learn of his partner being blown up. Inspector Kramer wants to arrest the wife of the dead client, but Nero thinks that’s as preposterous as arresting the dead man himself.
Nero sets Archie, and his sometimes extra man, Saul, onto tracking down the suspects. Annoyed by the idea of the wife as the suspect, he is sure the partner, Blaney, did it, but just needs more solid evidence against him. Is there a woman involved… a love triangle? Archie looks for all the tricks. The novelty gags are examined by Nero Wolfe, but has he underestimated the deadly potential?
The investigation has taken complex turns, with bodies piling up, but Archie is beginning to pull the matter to a close. The whole processes has inspector Kramer exploding in rage over Nero playing fast and loose with the law. A man hating dame is behind the matter, and though Nero may or may not think she did wrong, he doesn’t like being played for a fool. He tells all to Kramer in clarifying the mystery.