Ethan insists on sticking to the flight schedule despite Clara being left behind with a crucial heart for transplant. Celeste tries to enter the cockpit using a backup code to help, but is stopped by crew warning that unauthorized access will get Ethan in trouble. Ethan asks Celeste to notify the tower to arrange the next flight for the stranded passenger. However, the next flight is three hours away, threatening the success of the urgent surgery. As opposition mounts to delay, the team faces mounting pressure to resolve the crisis before it’s too late.