An endurance marathon runner, Emma silently trails the guerrillas and their captives, using her athletic prowess and scientific knowledge to stay alive. Those skills become essential when she discovers an injured passenger, secret government agent Cameron Sumner, separated from the group.
Meanwhile, as news of the hijacking breaks in Washington, the Department of Defense turns to Edward Banner, former military officer and current CEO of a security consulting firm, for help. But finding Emma and Sumner is only the beginning, as Banner starts to realize that Emma was on a personal mission when the plane went down.
