Students of a prestigious private school in Manhattan learn all the important news of school life from the famous Gossip Girl blog. No one knows who she is, but everyone trusts the latest gossip she publishes. She reveals every secret and makes every scandal public. She instantly informs everyone that Serena and Jenny are trying on a new role as girlfriends of the hottest New York rock stars, that Dan is trying to drown his sorrows in wine and that Blair is hurt to the core, to still have not received an invitation to the coveted Yale. It seems that everyone just needs to relax and go on a sailboat for a luxurious spa weekend, having arranged for this the Great Skip School Day... But the main intrigue remains a mystery: who is Gossip Girl?..