"Revenge" Season 3, Episode 19 airs Sunday, Apr. 13, on ABC. Titled "Allegiance," this week's new episode focuses on Emily Thorne (Emily VanCamp) and Victoria Grayson (Madeleine Stowe) in a bigger battle. Now that Aiden Mathis (Barry Sloane) is back in Emily's camp, things are about to heat up again.

Spoiler alert: This feature contains minor spoilers on Revenge Season 3, Episode 19 ("Allegiance"). Read at your own risk.

In its previous episode, Revenge Season 3 shows Charlotte Grayson (Christa B. Allen) becoming suspicious of Jack Porter (Nick Wechsler). Episode 18 ("Blood") reunites Emily Thorne and Aiden Mathis (Barry Sloane), as well as Daniel Grayson (Josh Bowman) and Margaux LeMarchal (Karine Vanasse).

New revengenda plays are in motion in Revenge Season 3, Episode 19 as Victoria has Pascal LeMarchal (Olivier Martinez) on her side. Her daughter Charlotte is expected to learn more about Emily Thorne and Nolan Ross (Gabriel Mann) from Nolan's prison friend turned business enemy, Javier (Henri Esteve).

Watch a sneak preview of Revenge Season 3, Episode 19 ("Allegiance"). Check out this ABC video on YouTube, or scroll down to play the clip below.

Emily VanCamp has mentioned in a media interview that someone is definitely going to die in Revenge Season 3. It is not clear whether the death happens in the Revenge Season 3 finale. Some fans are speculating it could be Aiden or Daniel, or both.

In Revenge Season 3, Episode 19, the Hamptons' Queen Victoria has a new plan to know Emily Thorne's real agenda against the Graysons. With Leo Mason Treadwell (Roger Bart) now presumed to be dead, Victoria has to be creative in resourceful to be at least one step ahead of Emily.

With Aiden back on Emily's side and her blackouts gone, David Clarke's daughter feels reinvigorated. This noted, fans expect that Revenge Season 4 is definitely going to happen on ABC.

WATCH: Revenge Season 3, Episode 19 Promo Video (ABC on YouTube)

Revenge Season 3 airs on ABC every Sunday. The next new episode, "Revolution," airs on Apr. 27.

More TV Guide and Spoiler Features

'Revenge' Season 3, Episode 18 Spoilers: 'Death' in Finale Teaser from Emily Thorne Herself, Old Enemy Shows Up in 'Blood' [VIDEO]
'Revenge' Season 3, Episode 15 Spoilers: 'Struggle' Brings Emily Thorne, Jack Porter Closer; Nolan Ross Takes Desperate Measures [Watch Promo Video]