2009 film by Denis Villeneuve

Louis, a terminally ill writer, returns home after a long absence to tell his family that he is dying.

Hubert, a brash 17-year-old, is confused and torn by a love-hate relationship with his mother that consumes him more and more each day. After distressing ordeals and tragic episodes, Hubert will find his mother on the banks of Saint Lawrence river, where he grew up, and where a murder will be committed: the murder of childhood.