Robin Karfo

A month after director Vance's disappearance, Gibbs is made acting director of NCIS while the team continue the worldwide search for Vance.

The BAU investigate a reported case of bioterrorism following a number of suspicious deaths. Meanwhile, Garcia visits her stepbrother.

Annalise is forced to fight for her life while Gabriel approaches Michaela, Connor and Oliver with a theory about Sam's murder; Frank and Bonnie have a heart-to-heart.

The owner of a diner, Gene Stratis, has been stabbed to death and Sipowicz and Clark interview the victim's son. The son gives them his father's background, a real immigrant's success story.

Jack endures a lengthy, brutal deposition by his wife's divorce lawyer. The lawyer uses Jack's past affair with Samantha, childhood traumas, and his dedication to his job against him. Meanwhile, Samantha ponders whether or not she's responsible for Jack's current personal woes.

Maya encourages parents of the new special needs students to demand full-time aides in order to help their children; JJ pushes Kenneth toward a romantic relationship with his teacher.