Michèle, in her fifties, is homeless and lives at Orly airport where she leads a harsh and solitary existence. Théo, a young man with a mental disability, works at the airport and lives with his "Auntie" who has overprotected him since he was abandoned by his mother. When Michèle decides to find her son in Lisbon, Théo naively agrees to drive her there, but what she doesn't know is that he only has a car without a license...They then embark on an adventure on the country roads, making us follow people that we do not look at, on roads that we never take.