Tony Nowicki

A surprise visitor from Novak's past joins Ambo for a late-night ride-along.

The NCIS team investigates a fire on a U.S. Navy ship which leads them to a revelation that threatens the security of all U.S. Navy facilities worldwide. Meanwhile, Tony and Ziva travel to Italy to investigate an explosive device that was found on a Navy ship.

Amelia's drug addiction accelerates as she begins writing herself prescriptions and skipping work; Jake and Addison face an impossible choice; Violet returns to work; Erica is irritated when Charlotte and Cooper bond with Mason.