LCdr. Jordi Parker, one of Harm's former girlfriends, dies under suspicious circumstances. For a while NCIS regards Harm as a suspect. Mac, Bud, LCdr. Teresa Coulter, and, later, Harm investigate. The admiral helps Danny to make a choice.

Sarah dreams about an actual conspiracy to commit a mutiny in 1842 at sea aboard a brig of war, a sailing vessel, of the US Navy.