Eleven-year-old Guillaume suffers from a serious and potentially fatal heart condition. Gradually, the young boy's family fractures under the weight of his illness.

• Société Radio-Canada
• TF1
• Dominique Labourier
• Jean-Luc Bideau
• Hervé Rey
• Michel Dumont
• Gabrielle Mathieu
• Marthe Nadeau
• Françoise Faucher
• Jean Vigny