To spy on her lover Ludo, 50 year-old Claire Millaud (Juliette Binoche) creates a fake profile on social media and becomes Clara, a beautiful 24 year-old. Alex, Ludo's friend, is instantly enamoured. Claire, trapped by her avatar, falls madly in love with him. Although everything is played out in the virtual world, the feelings that blossom are quite real. A beguiling story where lies are entangled with reality.