As Peggy plots a rescue mission, Whitney hunts for even more dark power; and Jarvis learns he should not make promises he cannot keep.

Cast: Christopher Allen, Hayley Atwell, Reggie Austin, Sean Bolger, Tom Choi, Dominic Cooper, James D'Arcy, Wynn Everett, Enver Gjokaj, Currie Graham, Myles Grier, Charles Hemminger, Alva Loomis, Ken Marino, Chad Michael Murray