When a flight training mission mishap kills a civilian mother and child, after the trailing Tomcat clips a power line, JAG must investigate the cause. The pilot in the leading trainer jet, during the mishap, turns out to be an early mentor of Harm's. It now turns to Harm to uncover the truth about the accident, even if it means uncovering damaging evidence against his former mentor.

On the 50th anniversary of the first supersonic flight, Chuck Yeager relives his gutsy assault on the sound barrier and tells how it was done. Other top test pilots of the day-those who survived-describe the dangers, mysteries, and thrill of trying to fly faster than sound at the dawn of the jet age.