No Love 1992 on netflix

Emmanuel Brémont, a ten-year-old boy, suffers day after day the destructive madness of his mother. The young woman, a cashier in a supermarket, hates her son and does not hesitate to tell him. One Friday evening, Madame Brémont decides to go for a weekend. Emmanuel, on the other hand, will be waiting for his mother in the apartment, locked in double turn in the kitchen cupboard.