Gabrielle is writing an illustrated guide book on sex called 'How To Do It.' At a book signing she meets Saul, an established male writer who is straight. She both loves and hates his work which has seeped into her secular Jewish life from childhood. The
Marie, mute, contacts her sister living in the UK since 12 years after the death of their father. Sarah comes back to France for the funeral. But one night, two burglars come in the house and take the two girls hostage.