During a happy evening, the famous professor Levy, one of the masters of cardiac surgery, collapses, struck by a heart attack. His whole life comes back to him, and in particular his childhood, enlightened by a loving and beloved mother.

Professeur Lévy
Madame Levy
Joseph Lévy
Monsieur Miraton
Commissaire Vermorel
Tata Jeannette
Cousine Esther
Madame Schwarzkopff
Mokzar
Mounette
Pierrot
Meyer, age 12