The NCIS team suspects foul play when a Navy lieutenant is the victim of radiation poisoning; Tony sees a softer side of Ziva.
Howard Stark's deadliest weapon has fallen into enemy hands, and only Agent Carter can recover it. But can she do so before her undercover mission is discovered by SSR Chief Dooley and Agent Thompson?
Peggy faces the full fury of Leviathan and risks it all to save Howard Stark and the world, in the explosive season finale.
