A young woman taking care of her diabetic father gets involved in a one way relationship. Portrait of a generation about to replace another, Demain is a film based on an inertia marked youth, and on it's precursors confronted to their own disappearance.

Carl's life boils down to two things: receiving blows and persisting in spite of everything in leading a "normal" existence. Engaged in the army, he hopes to be able to escape this daily life, between a silent grandfather and Cadorette, his childhood friend with whom dialogue seems impossible. One night, following an altercation, Carl and Cadorette miss the last boat to return home. They then decide to cross the river, at all costs…