While hiking through the wild lavender in a wind-swept, desolate valley in Provence, a man comes across a solitary shepherd called Elzéard Bouffier. Staying with him, he watches Elzéard sorting and then planting hundreds of acorns as he walks through the wilderness. Ten years later, after surviving the First World War, he visits the shepherd again.

A young forest is slowly spreading over the valley - Elzéard has continued his work. Year after year the narrator returns to see the miracle being created: a verdant, green landscape that is testament to one man's creative instinct. miracle he is gradually creating: a verdant, green landscape that is a testament to one man's creative instinct.