A stripper in Montmartre reports that she overheard two men at her club planning to kill a countess. Her report is taken but as the crime has not happened not much attention is paid to her claims until a few hours later, when she is found in her room, strangled to death. And the next day the Countess, a drug addict, is found strangled. Maigret is bought in to find the link between the victims and bring the killer to justice.

International movie star Rowan Atkinson returns as legendary French detective Jules Maigret in this series set in 1950s Paris.