Beneath her eccentric appearance, Captain Marleau is a formidable detective. Her Sherlock Holmes deerstalker cap, her character, her unusual appearance, her humor, her unpredictable behavior--Captain Marleau is not your average gendarme. She never rushes an investigation; she becomes the investigation and relentlessly pursues the suspects.
In Brittany, a notary is killed with shots to the head. His wife Joséphine is a suspect. Her husband had just sold part of their property to two shady real estate developers who wanted to transform the little fishing village into an ultra-modern marina for wealthy clients.