Each evening, four men – a doctor, a journalist, a professor and a merchant – meet up in a deserted bar to play cards. As they play, the bar’s owner, her downtrodden barman (nicknamed “le paltoquet”) and a strange woman in white watch from a distance. One night, the card game is disturbed when a police inspector suddenly appears and declares that a dead body has been found nearby. Certain that one of the four men is the murderer, the inspector starts his investigation. All the evidence sugge...