Call it the original triangle of sadness. As much as the mores and taboos of screen romance have shifted over the decades, the love triangle has remained a constant: a problem that screenwriters rarely manage to solve without someone being hurt or worse. Ménage à trois solutions are rare; heteronormative coupledom must usually prevail. And yet our fascination endures with the simultaneously simple and wildly complicated crisis of loving two people at once – rarely depicted with more adult candour than in Claire Denis’s new drama Both Sides of the Blade, now streaming on Mubi.
