Tristan lives with his pregnant girlfriend Julia. One day, he receives an unusually large number of extremely strange messages on his smartphone. When he leaves the house to go to work, he is approached by a taxi driver who wants him to get in. However, annoyed by the looks of the people who are all staring at him and whispering about him, he gets in and the taxi driver drops him off right in front of the office. Through his colleague and friend Hubert, Tristan learns that everyone now knows everything about him and even his most intimate desires and fantasies.