ABC has released a new clip from this week's upcoming episode of "Agent Carter," "Better Angels," as Jarvis (James D'Arcy) finds Peggy (Hayley Atwell) taking her frustrations out on a punching bag late into the night.

The network also revealed the plot synopsis for Season 2, Episode 4, titled "Smoke and Mirrors," that reads: "Agent Carter and the SSR learn there's more than just a pretty face behind Hollywood star Whitney Frost, Peggy's most dangerous foe yet."

Check out some stills from the episode, which guest-stars "That '70s Show's" Kurtwood Smith as Vernon Masters:

"Agent Carter" airs Tuesdays at 9/8c on ABC.