1972 in Haute-Savoie (France) : the Bertrand's farm, with a hundred dairy cows owned by three bachelor brothers, is filmed for the first time. In 1997, they were the subject of Gilles Perret's first movie, as they let their farm to their nephew Patrick and his wife Hélène. Nowadays, 25 years later, Gilles Perret take another look at this farm, managed by Hélène who will step down. Through their words, an intimate, social and economic history of the rural world.

Together, the three Bertrand brothers work their farm in a small Savoyard village. In 1972, they took the enormous risk to invest in the construction of an ultra modern stable for 82 milk cows. With modern organisation, they hoped to lead a better life. Almost 30 years later, the farm is successful. Their work is meticulous and the milk is graded top quality. The human cost is much more sombre. Indeed these thirty years can be summarised in one word : work. The brothers are bachelors and – each one now over sixty years old – a bitterness when they recall their past. The younger brother says it himself: "It's an economic success, but it's a human failure...".