Actress Hayley Atwell arrives at the UK premiere of "Captain America: The Winter Soldier" at Shepherds Bush in London, March 20, 2014.
Actress Hayley Atwell arrives at the UK premiere of "Captain America: The Winter Soldier" at Shepherds Bush in London, March 20, 2014. Reuters/Paul Hackett

ABC’s latest Marvel series “Agent Carter” is set to air Episode 6 that focuses on Peggy Carter’s discovery about Leviathan’s secret. The upcoming segment is titled “A Sin to Err” and airs Tuesday, Feb 10, 2015. The show is getting closer to its finale and fans are growing eager to know how it all plays out for Peggy Carter. Here are few spoilers for the upcoming segment and season finale of “Marvel’s Agent Carter.” Read on to find out what happens next. [Warning: Spoilers Alert!]

This article contains spoilers for “Marvel’s Agent Carter” Episode 6 “A Sin to Err” and Episode 8 “Valediction.” Read only if you want to know more about it.

ABC has released synopsis for “Marvel’s Agent Carter” Episode 6 “A Sin to Err” on its official website. The press release suggests that the upcoming segment will bring in lots of challenges for Peggy Carter to deal with. Fans must brace themselves for an action-packed episode as the secrets gets revealed.

According to the synopsis, Peggy Carter will find out a “shocking” piece of information about the Leviathan, the Russian organisation that is after weapons created by Howard Stark. Meanwhile, Peggy is oblivious to the fact that her “true enemies are even closer than she imagined.”

At the same time, her career as an SSR agent is in danger. In the last-aired episode, Souza grew suspicious of Agent Carter and her involvement with Howard Stark’s case. The synopsis revealed that Souza is “close to confirming the truth about Peggy” and her secret life.

From the crime fighting agent, Peggy Carter becomes the wanted runaway for the SSR for her secret involvement in Howard Stark’s case. The network has released promo video (as published on YouTube.com by Television Promos) giving a glimpse of “Marvel’s Agent Carter” Episode 6. The promo video shows how Agent Carter is declared a fugitive and a wanted woman and is being tracked down by the SSR agents. Meanwhile, fans can take a look at the events of “A Sin to Err” via photos published on SpoilerTV.com.

Meanwhile, Marvel has released the synopsis for the eight-part show’s season finale. According to the synopsis published on Marvel.com, fans can expect to see the reunion of Peggy Carter and Howard Stark in “Marvel’s Agent Carter” Episode 8 “Valediction.” “Peggy faces the full fury of Leviathan, as Howard Stark makes his return in the explosive season finale of "Marvel's Agent Carter,” the synopsis reads.

“Marvel’s Agent Carter” stars Hayley Atwell as Peggy Carter, James D'Arcy as Edwin Jarvis, Chad Michael Murray as Agent Jack Thompson, Enver Gjokaj asAgent Daniel Sousa, Dominic Cooper as Howard Stark and more. Episode 6 “A Sin to Err” airs Tuesday, Feb 10, 2015 at 9:00 pm EST on the ABC. Stay tuned for more spoilers.

For questions/comments regarding the article, you may e-mail the writer at j.kaur@IBTimes.com.au