Traumatism (2013)

Jean-Pierre is a young man who suffers from intense nightmares every night. He sees his neighbor burying a female corpse in his garden, which is right next door. He soon finds out that a murderer in the neighborhood is up to mischief, and already left some killed victims behind. As Jean-Pierre's nightmares become horrible visions, which seem to be too real, he starts to investigate and spies on his suspicious, creepy neighbor. He gets stuck in a sinister, surreal situation and the borders between reality and nightmare blur.