The O Agency, whose exploits, which began last Monday, will be recounted in thirteen weekly episodes, was born in the imagination of Georges Simenon. It is led by two detectives: Joseph Torrence and Emile, a shy-looking young photographer. Today, it is in a Turkish bath, where he is undergoing weight loss, that Torrence investigates. He meets a famous lawyer, Mr. Duboin, and a gangster wanted for two years by the police. A few minutes later, the latter will be assassinated ...

Сегодня Торренс проводит расследование в турецкой бане, где он теряет вес. Он знакомится со знаменитым адвокатом господином Дюбуа и гангстером, разыскиваемым полицией в течение двух лет. Через несколько минут последний будет убит...