"Six minutes after takeoff, Flight 1421 crashes into the Pacific Ocean. During the evacuation, an engine explodes and the plane is flooded. Those still alive are forced to close the doors -- but it's too late. The plane sinks to the bottom with twelve passengers trapped inside. More than two hundred feet below the surface, engineer Will Kent and his eleven-year-old daughter, Shannon, are waist-deep in water and fighting for their lives. Their only...