In new photos from "The Edge of Mystery," the next episode of "Agent Carter," Whitney Frost's connection to the Dark Force continues to leave its mark on her. Additionally, Jack Thompson colludes with Vernon Masters and Peggy and Sousa have a close encounter.

Action-Packed "Agent Carter" Promo Packs A Punch

On Tuesday, "Agent Carter" will air another action-packed two-parter. Both "The Edge of Mystery" and "A Little Song and Dance" will run back-to-back.

AGENT PEGGY CARTER MAKES A DEADLY DEAL WITH THE ENEMY, ON "MARVEL'S AGENT CARTER" ON ABC

"The Edge of Mystery" - Peggy and Sousa propose a trade with Whitney Frost, while the SSR gets help from Howard Stark that may be the key to eliminating Zero Matter, on "Marvel's Agent Carter," TUESDAY, FEBRUARY 23 (9:00-10:00 p.m. EST) on the ABC Television Network.

PEGGY FACES SHOCKING BETRAYALS AS SHE CLOSES IN ON WHITNEY FROST, ON "MARVEL'S AGENT CARTER" ON ABC

"A Little Song and Dance" - Lyndsy Fonseca Guest Stars as Angie Martinelli, and the Episode Includes a Dance Number Featuring the Show's Cast and "Dancing with the Stars" Dancers Louis van Amstel, Dmitry Chaplin, Damian Whitewood, Sasha Farber, Anna Trebunskaya and Karina Smirnoff

Starring Hayley Atwell and James D'Arcy, "Agent Carter" airs Tuesdays at 9 pm ET/PT on ABC.