Conspiracy theory thriller in which French secret agent Juliet Binoche helps track down a missing CIA friend's children. It's September 1st, 2001, & with no contact for ten years, quirky French agent Irene (Binoche) receives a call from her former CIA friend Elliot (Nick Nolte) asking for her help in finding his estranged daughter, Orlando (Sarah Forestier), & adopted son, David (Tom Riley). Irene tracks down David & together they find Orlando; &, despite her reticence about meeting her father, a family reunion is planned in Paris. Unbeknown to them, psychotic assassin William Pound (John Turturro) is hot on their trail; & Irene learns that Elliot has information about an impending attack on the United States...