Following the arrest of Delteil's killer, Maigret and his team close in on Olga Borysenko's murderer. However, the investigation lands Maigret in more danger than anticipated, making a powerful enemy who has already outmaneuvered him once before.

Chief Inspector Maigret and his team of maverick but loyal detectives, “Les Maigrets,” solve a series of complex crimes in Paris. Maigret’s unconventional methods and unique sense of justice put him at odds with his superiors and the judicial system he is supposed to represent. Maigret must outwit some of Paris’s most cunning and violent criminals, while dealing with his own troubled past.