After telling Maigret she overheard a plot to kill 'the countess' club singer Arlette is strangled and soon afterwards the body of an elderly, reclusive countess is also discovered. Maigret believes a third person was present when Arlette was killed and is anxious to trace a man called Oscar, whose name Arlette cried out in her sleep. Meanwhile young rent boy Philippe, who shared the countess's drug addiction, n survives an attempt on his life but is too scared to help the police. Maigret finds out that both the dead women once lived at a Nice hotel, where the countess's husband died in odd circumstances and where Oscar also worked. This leads him to track down Oscar and to the closure of his case. 剧情之外，才发现：推动情节的是情感。潜藏在真相之后的命运伤悲。悬疑布置多，案情简单，喜欢那种浓浓旧英国风。 继2016年推出两部根据比利时作家乔治·西默农作品改编的梅格雷探长系列电视电影之后，ITV宣布续订两部该系列电视电影，依旧由“憨豆先生”罗温·艾金森主演，斯图尔特·哈考特编剧，第一部为《十字路口之夜》，第二部为《梅格雷在蒙马特》，预计于2017年播出。
