"Gibbs and the team are called in when a couple of kids stumble upon the body of a missing Marine in a frozen lake. As the team searches the frozen lakebed for clues, they come across three more bullet-ridden bodies."

"Gibbs and the team are called in when a Pentagon cryptographer suspected of spying apparently commits suicide. With their prime suspect dead, the NCIS team must uncover whether or not she was the Pentagon's mole."

"After discovering that a grisly murder scene was staged, the team realizes that Abby was the intended target when some key evidence contaminates her lab and almost kills her."