Gretchen Blair is a headstrong FBI agent who goes rogue during a hostage negotiation and is sent packing to a desk job back in Washington, D.C. As soon as her flight takes off, her seatmate offers her millions of dollars if she can get him off the plane alive. As his ex-partners stage a brutal hijacking, Gretchen finds herself in the fight of her life -- choosing sides between two factions of a criminal gang while trying to keep the plane from going down.