Summer '76, there's a heatwave and the Swiss countryside is drying out at top speed. In this stifling environment, Gus who is thirteen years old and son of a farmer, sees both his family environment and his innocence relentlessly breaking. He's living the end of a world.

Vincent is preparing his new exhibition centered on the evocation of unglamorous moments of his past. He is surrounded by a small team which includes Erika, his companion and Michael, a director friend.