What would you do if a total stranger proved to you that your three closest friends are enemy agents? For investigative TV Host John Tanner (Rutger Hauer), the news comes on the eve of a reunion weekend at his home where the traitors (Craig T Nelson, Dennis Hopper and Chris Sarandon) are all placed under intense surveillance by a mysterious CIA operative (John Hurt). But as the get-together turns deadly, are Tanner and his family being set up for the most shocking betrayal of all? From its stinging look at media manipulation to its stunning final twist, the ultimate conspiracy will be uncovered by whoever survives THE OSTERMAN WEEKEND.