A Navy Public Affairs officer is murdered, and the victim's wife and mistress accuse each other of the crime. Meanwhile, Anthony DiNozzo Sr. helps a homeless woman who believes he is her father.

NCIS partners with the FBI and Homeland Security when two British prisoners, including a former spy, escape and arrive in the U.S. via a shipping container. Meanwhile, McGee goes apartment hunting and becomes determined to find out how DiNozzo purchased his lavish place.