Sexual frankness of a very Gallic kind abounds in Jean-Marc Barr and Pascal Arnold’s wholly aptly-titled fifth joint directorial outing. Mum, Dad, Brother, adopted sister and Granddad are all at it – all but 15-year-old Romain, in fact, who fears there’s no end in sight for his virginity. But when he is caught in the act of filming himself in a bout of classroom onanism, a sudden new awareness and openness is triggered across the whole family…