Maigret finds himself involved in a ruthless game of political survival when he embarks upon an unofficial assignment to retrieve a highly sensitive report which has been stolen from the home of a government Minister.

Maigret is called in to investigate the murder of a 60-year-old man shot at point-blank range in his own bedroom. Unable to find any hard evidence, Maigret decides that the key to this confusing case lies with Felice, the victim's maid.