Dans ton sommeil (2010)
Directed by Caroline du Potet, Éric du Potet

Film Synopsis

Losing a loved one is never easy to cope with, but, for Sarah, watching her 18-year-old son die in the most horrible way she can imagine is more than any mother should have to bear.  And then, to make matters worse, her husband walked out on her.  Now she is reduced to a shadow of her former self, a woman merely going through the motions of living.  One night, she is driving back home from the hospital where she works when she knocks down a young man.  He introduces himself as Arthur and, oddly, he seems to be the same age as Sarah's son when he died.  She decides to take the boy back to her home so that she can treat his injuries, but as she does so Sarah discovers that she is being followed by a mysterious killer...