With a serial killer on the loose in Paris, Maigret must outsmart the culprit before he can strike again. The inspiration for ITV's feature-length adaptation starring Rowan Atkinson.

Detective Chief Inspector Maigret is known for his infallible instinct, for getting at the truth no matter how complex the case. But when someone starts killing women on the streets of Montmartre, leaving nary a clue and the city's police force at a loss, he finds himself confounded. In the sweltering Paris summer heat, with the terrified city in a state of siege, Maigret hatches a plan to lure the murderer out.