Code Unknown is composed of unedited long takes filmed in real time, cut only when the perspective within a scene changes from one character's to another's in the middle of the action.

The film is inspired by the life of the French novelist and war reporter Olivier Weber.

The film is composed of individual stories where the lives of the characters intersect in misunderstandings and difficulties.

Jean leaves with the keys but throws the remnants of his pastry at Maria, a Romanian homeless woman sitting on the ground.

She effectively acts out scenes of terror and humor that blur the space between reality and fiction.

At home, while ironing her clothes, she hears her neighbors and a young girl crying loudly in what sounds like physical beatings.

In the grocery store, Anne shares the story of the screaming child in the apartment but Georges appears apathetic.

The site's consensus reads: "Though challengingly cryptic at times, Code Unknown still manages to resonate.