One day, Jean-Louis discovers that his heart has stopped. He is not dead, can walk and talk, but his heart is no longer beating. With the help of his wife and a friend, he tries to understand the origin of this mystery.

Pierre Hoffman joins a prestigious school as a substitute teacher and soon notices, among some of his students, an unjustified hostility and a spark of violence in their eyes. Is it because the unspeakable tragedy they have just experienced? Is it because they seem to be extraordinarily gifted children? Is it because they have lost all hope for the future? From curiosity to obsession, Pierre will try to unlock their secret.

Two, very different, brothers are reunited for their father's funeral. But, when they arrive at the crematorium nobody is there, not even the corpse, except for Chloe who introduces herself as their sister.