In the luxurious Farniwell mansion, an unheard of event occurred in broad daylight. During a dinner party, one of the guests, General Thaddeus Carlyon, fell from the second floor landing and ran into the halberd of the knight's armor standing below. At least, this is what the picture of the incident looked like at first glance. But the police convincingly proved that he did not fall without outside help, and the halberd was thrust into him after the fall. This is a brutal murder. And there is no need to look for the killer - he soon confessed to his crime. It turned out to be the general's wife, Alexandra. However, one of the relatives of the murdered man did not believe her words. She shared this story with her longtime friend Esther Latterly. And she, in turn, turned to the former police inspector, and now private detective William Monk...