简介：Binoche plays Claire, a 50-year-old divorced teacher who USES Facebook to create the identity of a beautiful, dark-haired 24-year-old girl in order to spy on her lover Joe. But Joe only accepts friend requests from people he knows. To get closer to Joe, Claire sends a friend request to his best friend Chris, who accepts. Do not think, after a period of time to chat, Claire fell in love with Chris, Chris also fell in love with this fictional girl, he asked to see a meeting. So Claire has to dream up a busy job, a long business trip and a jealous ex. She either has to keep making up all kinds of lies to maintain the love without future, or she has to admit her deception and prepare for the loss of love...