In response to political pressure from Senator Lillian DeHaven, the U.S. Navy begins a program that would allow for the eventual integration of women into its services. The program begins with a single trial candidate, Lieutenant Jordan O'Neil, who is chosen specifically for her femininity. O'Neil enters the grueling training program under the command of Master Chief John James Urgayle, who unfairly pushes O'Neil until her determination wins his respect.
Terrorists hijack a 747 inbound to Washington D.C., demanding the release of their imprisoned leader. Intelligence expert David Grant (Kurt Russell) suspects another reason and he is soon the reluctant member of a special assault team that is assigned to intercept the plane and hijackers.