Elizabeth Prentiss, a foreign ambassador and SSA Emily Prentiss' mother, seeks the aid of the BAU when a Russian immigrant is kidnapped.
Philip and Elizabeth tell Paige more about the family business, but pressing new questions arise when an operation takes a ghastly and unexpected turn; a sensitive package jeopardizes Oleg's life back home.
Philip and Elizabeth have qualms about a new assignment; a specter from Philip's past creates unforeseen dangers; at the FBI, Stan makes a shocking play that could throw his career into turmoil.
Jason and the team refuse to abort a mission to capture a dangerous war criminal after it goes awry; Clay's controversial father comes to town on his book tour.
Callen must interrogate his father after he is found in a patient's hospital room during a radiation poisoning case; members of the team discusses their plans for Thanksgiving.