Ignition

The episode starts with two forest rangers finding a body at the site of a forest fire. The team investigates and finds out that the pilot was flying a jet-pack and crashed. An attorney who dislikes Gibbs tries to keep him from talking to her clients. Ducky discovers that the victim had been poisoned and was already dead long before he put the jetpack on, leading to the team to suspect a third party. They figure out that it was the commanding officer, who stole technology from private companies and the Navy to build his own jet-pack and killed the victim to keep him quiet. Later, Gibbs discovers that the sly attorney was sent by an old enemy. This episode ties in with Episode 7 x 06