A one-hour, dramatic series JAG (military terminology for Judge Advocate General) is an adventure drama about an elite legal wing of officers trained as lawyers who investigate, prosecute and defend those accused of crimes in the military, including murder, treason and terrorism. A Navy Commander ace pilot turned lawyer Harmon "Harm" Rabb, Jr. (David James Elliott) and by-the-book Marine Lieutenant Colonel Sarah "Mac" MacKenzie (Catherine Bell) find themselves clashing as they traverse the globe together to search for and discover the truth.