When Muslim extremists carrying a lethal nerve gas hijack an Athens-Washington flight, government information expert Kurt Russell joins an elite anti-terrorist unit to try to board the plane before it lands, but a mid-air accident puts the mission in jeopardy. Taut actioner with more than one surprise also stars Halle Berry, John Leguizamo, Oliver Platt, David Suchet and, in a special appearance, Steven Seagal.