A woman radar-intercept officer (RIO) disappears at night from an aircraft carrier in the Adriatic Sea. Two JAG lawyers, Lt. Harm Rabb and Lt. Caitlin Pike, investigate and solve. Harm, a former Naval aviator, unexpectedly becomes a hero.
A civilian tech rep aboard a submarine seizes control of an experimental torpedo after its launch during an exercise. The rep threatens to sink a cruise ship and demands a ransom. Harm and Ltjg. Meg Austin go to the sub and save the day.
Due to a human error in an exercise, artillery fire injures seven Marines, one of whom later dies. The accused is a son of a former commandant of the Marine Corps. Harm and Meg investigate; Meg, with help from Ollie North, finds the truth.
During the past 11 months three Navy men lieutenants have died during knife attacks in and around Washington; the most recent body is found in the Arlington National Cemetery. Harm and Meg investigate; their attention turns to the Thai ambassador, his wife, and his chief of security, because the victim gave the wife a ride shortly before he died. The chief gives a confession, but Meg distrusts it, and Harm reaches his own conclusions. Meg and Harm discover the truth. The events lead to Harm's revealing a part of his past as a teenager.
Two Naval aviators die in a crash of an F-14 while using a new fly-by-wire navigation system. Harm and Meg investigate. The vendor of the system blames the pilot. Harm flies both a simulator and a Tomcat; he and Meg discover the cause.
In Lima, Peru, while a boy sneaks into the US embassy at night, a Marine guard stops him; the boy fires, and the guard returns fire and kills him. Locals react strongly. Harm and Meg investigate amid violent retaliation, yet they solve.
Two Marines in a Humvee mistakenly drive into Iraq; an Iraqi detail intercepts them, kills one, and captures the other. Ihe Iraqis try the survivor for espionage; Harm and Meg defend. Harm also carries out the duty of springing the Marine.
In south Texas residents have reported strange phenomena, stories of supernatural events have abounded, and a 10-year-old girl has disappeared. Harm and Meg investigate; they find the girl, and they solve the greater mystery.
A patrolling F-14 malfunctions in a no-fly zone; the crew ejects, and the bird explodes. A Serb helo strafes the crew while they descend from their chutes. The CAG destroys the helo, then he faces a court-martial; Harm and Meg defend him.
After a lightning strike an F-14 wanders into Cuban airspace, and Cuban fighters force it to land. Harm and Meg in Cuba try to negotiate a return of the aircraft and the pilot -- before anyone seizes the advanced programs from the bird.
By mistake a foreign agent sends a fax to Meg's office; then he retrieves it and shoots Meg to prevent her from identifying him. Meg undergoes surgery; Harm and others track and find the assailant, who's an assassin on an assignment.
In a civilian court Harm represents a divorced (and emotionally baffled) Marine colonel, who has gotten into trouble over an unauthorized visit with his minor son. A manhunt ensues, with Harm as one of the hunted, but Harm brokers a deal.
Chicom agents capture Harm in Hong Kong; they vigorously question him in mainland China about official matters. During mind games Harm imagines his father's voice. Meg and Alison search for Harm, and, after a firefight, they get him back.
A naval officer is killed on Okinawa and Rabb, while passing through on leave, is asked to investigate. Teaming up with Lt. Pike they head out to the ship which is conducting war games and a test of new software called Ares. Things go bad when Ares has been sabotaged leaving the destroyer unable to protect itself as the North Korean's move in to seize the ship. Time gets critical in finding both the saboteur and finding a way to shut down Ares.
The body of a woman officer, a friend and classmate of Harm, is found ashore. Harm, Meg, and Alison investigate. Sparks fly between Harm and an NCIS agent. The body of another officer, a suspect, is found. Harm winds up under arrest.