ABC's 'Marvel's Agent Carter' Recap: ‘A Sin to Err’: Hayley Atwell's Peggy Carter Is On The Run!

Marvel's Agent Carter returns with an all-new episode on ABC. With Howard Stark (Dominic Cooper)'s life in danger and wanted by the Strategic Scientific Reserve, Peggy Carter (Hayley Atwell) is suddenly on the run from her own agents and trusted allies in 'A Sin to Err.'

After proving herself in Russia, Peggy thinks Ray's killer is a woman trained from the Black Widow grounds. While Peggy is assigned with the task of finding Ray's killer, Daniel (Enver Gjokaj) finds a snitch who spots Carter from a photograph. Dottie (Bridget Regan) breaks into a dentist office, tortures the dentist, and uses his room to spy on the SSR.  

During their investigation, Jarvis (James D'Arcy) and Peggy end up meeting with woman he slept with. Each woman has something bad to say about Stark and end up slapping Jarvis. The Russian ex-prisoner and Roger Dooley (Shea Whigham) talk about childhood and his doomed marriage. From far away, Dottie makes contact with ex-prisoner with her sniper rifle. They communicate to each other about their next move, which is to kill Peggy. 

While Peggy investigates an abandoned room, Jarvis ends up meeting with a heavyweight kid, Wilson Fisk, who will become The Kingpin. Peggy finds scratches on the bedpost, which leads her to Ray's killer. The ex-prisoner is hypnotizing Roger during their conversation, but Daniel interrupts the session. 

At a diner, Peggy realizes there are SSR agents are in the midst of stinf operation. Peggy fights her way out of the diner, while Jarvis slows down the other agents. Holding her at gunpoint, Jack Thompson (Chad Michael Murray) wants Peggy to give up, but she beats him up; Daniel doesn't even try to stop her. 

Roger wants every SSR men to chase after Peggy, who is a fugitive. Jack and Daniel team-up to chase after Peggy and head over to her apartment. While Peggy tries to get Steve's blood, Jack and Daniel are already at the lobby. Peggy manages to escape out the window and gets help from Angie (Lyndsy Fonseca), who acts and cries to stall them.

While Peggy sneaks into Angie's room, the Russian ex-prisoner finds out where Stark's inventions are. In the hallways, Dottie kisses Peggy, knocking her unconscious. Jack and Daniel suddenly arrive to save her from Dottie. 

While Peggy is back at the SSR office, Angie discovers Dottie's room is empty. Roger doesn't want his men to go easy on her.   

Readers, what did you think of A Sin to Err?