"Revenge" Season 4, Episode 2, titled "Disclosure," airs Sunday, Oct. 5 on ABC. This week's new episode puts David Clarke, Victoria Grayson, and Emily Thorne on shaky ground as they each deal with the effects of the new twist introduced in the Season 3 finale.

Spoiler alert: This feature contains spoilers on Revenge Season 4. If you have not watched the Season 3 finale and the Season 4 premiere, read at your own risk.

Watch the promo video below to see the first confrontation between Victoria Grayson and David Clarke, who is revealed to be alive in the final act of the Revenge Season 3 finale.

Emily Thorne finds herself unhappy despite being able to put Victoria Grayson in an asylum. When Victoria unexpectedly comes knocking at her door toward the end of the Season 4 premiere, Emily realizes the fight continues -- and she has a purpose again.

David Clarke wastes no time. First he kills Conrad Grayson. (No body, no funeral. Naturally, som revenger fans are thinking the Grayson patriarch could still be alive.) Then, he kidnaps Victoria. Watch the Revenge 4x2 promo video below to see a part of Victoria's confession.

"Emily stops at nothing in her search for Victoria, who's at the mercy of her own sinister secret," reads the Revenge Season 4, Episode 2 synopsis on TV.com.

TVLine features still photos from the first two episodes of the ABC series. Follow this link to see the pics, featuring Brian Hallisay, as Jack's friend and new love triangle to the Jack-Emily shippers.

Elena Satine makes her Revenge debut as Louise in the new season premiere. She and Victoria become friends, but the latter is unable to save the former from the asylum.

Meanwhile, Charlotte Grayson gets entwined in the dark world of Gideon LeMarchal. Daniel Grayson reveals to Margaux the truth about his corporate exit. And Nolan Ross is getting frustrated over Emily's persistent leanings to vengeance after having put Victoria in an asylum.

WATCH: Revenge Season 4, Episode 2 ('Disclosure') Promo Video (ABC on YouTube)

Revenge Season 4 airs Sundays on ABC.