Après la mort de leur père, deux demi-frères se retrouvent opposés l'un à l'autre au sein d'un conflit qui pourrait tout embraser et avoir des conséquences tragiques....
The film tells the story of three people for a year: a son (Magimel) diagnosed with cancer, a mother (Deneuve) suffering from helplessness and a doctor (Cécile de France) to do her job: One year and four seasons for these three characters to deal with the disease, to tame it, and to understand what it means to die while alive....