John and the lampman

Saturday 2 April 1927. John, a young schoolboy, is happy it's the holidays. He will finally be able to rest and read all day. But his friends have other ideas. Once again they take him with them to admire the passing locomotives, the shunting yard, the roundhouse... All of them are children of railwaymen and passionate about trains, except John. One stormy evening, John sees a strange light dancing in the snow through his bedroom window.
Intrigued, he decides to brave the cold and snow to unravel the mystery. Alphonse, the lampman, is waiting for him. Around the fire, the old man tells the child about his job and the enchanted world of the trains of yesterday and today. Is John dreaming ? One thing is certain, this encounter will change his view of his family, his friends and the world around him.