On the day Jean Gabin dies, a kidnaper who also takes a fortune in jewels heisted from Cartiers murders Simon Verini's wife. (Simon was fencing the jewels for a youthful gang who robbed Cartiers; he suspects them of the murder.) He's framed for the theft and spends ten years in prison, writing to...
Marcel is his garage's handyman. With the smell of grease and petrol wafting through the air, alternating between night watchman, petrol pump attendant and confidant, he is visited every evening by the slightly lost night owls who pass by. They all confide in him about their daily troubles.