Lieutenant of the French forces engaged in Mali, David Faber is seriously burned during the explosion of his armored vehicle. Repatriated to France for intensive care, he must begin a long convalescence, under the worried but devoted gaze of his sister Jeanne. They meet again in the family house in the Alps, between mountains, lake and forests. Jeanne tries to reconnect her brother with the past, but David, who suffers from amnesia after the accident, does not seem to be interested in reconciling with the man he used to be.

An ogre keeps in his castle two children, whom he intends to eat. A knight and his companion will try to save them, and will be assisted by the ogre's wife, who thus will also get rid of her husband. A medieval story in contemporary settings.

La Première éducation sentimentale (the first version of L'Éducation sentimentale), re-adapting the themes of first love, the intoxication of desire, and failed ideological revolution (that culminated in the Revolution of 1848) to the May 68 generation through a chronicle of the parallel lives of a pair of childhood friends, the pragmatic Henri and idealistic Jules as they leave their bucolic, rural hometown to separately pursue their baccalaureate - and real world - educations.

The film is a love story which tells the impossible tale of two youths who have never before met. The action unrolls in Paris between 1979 and 1980.