On a bustling flight from New York to San Francisco, tension mounts when a stern businessman demands that Joan, an elderly woman, vacate her aisle seat. Despite her frail appearance, the woman, a decorated war veteran, refuses with quiet dignity, drawing the attention of nearby passengers. As the businessman grows increasingly insistent, citing urgent security needs, a young journalist begins recording, suspecting a deeper story. The flight, already charged with tension, takes a shocking turn when the veteran reveals she’s not just a passenger but part of a covert operation, dramatically shifting the stakes and the dynamics onboard.