Sincerely Charlotte(Signé Charlotte)

In a most unusual, near menage a trois, Charlotte (Isabelle Huppert, sister of director Caroline Huppert) is a terrified young singer who is forced to hide out at the home of her ex-boyfriend -- her current male companion has been murdered in his apartment, and she fears the worst. The trouble is that Mathieu (Niels Arestrup), her ex, is happily living with his new love Christine (Christine Pascal)