Peggy is cornered and more vulnerable than ever as Leviathan makes their move against her. As the SSR zeroes in on Howard Stark, they may pay the ultimate price as they find their true enemy is closer than they realized.
Carter finally gets a chance to prove herself as she is sent on a mission in Russia with Agent Thompson and the Howling Commandos. Meanwhile, Agent Sousa makes an important discovery.
Carter believes that the spy that stole Stark's technology is a woman. The SSR now knows that Carter is helping Stark. There's a new spy in the agency.
When Peggy realizes she cannot save Wilkes on her own, she turns to her most unexpected adversary for help while Whitney makes a move to control the deadly Zero Matter.
Peggy desperately tries to save Dr. Wilkes with a dangerous plan to stop Whitney Frost. But Thompson makes a surprising move that could destroy them all.
In 1946, Peggy Carter is now a secretary for the Strategic Scientific Reserve. Howard Stark asks her for help when the country believes that he is selling deadly weapons to their enemies.
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?
Dedicated to the fight against new Atomic Age threats in the wake of World War II, Agent Carter journeys from New York City to Los Angeles for her most dangerous and bizarre assignment yet.