On the latest episode of "Revenge," Emily found another target while Aiden made a shocking family discovery.

In "Allegiance," Emily (Emily VanCamp) attends a horse race and eavesdrops on Victoria (Madeleine Stowe) as she argues with a former employee of Grayson Global. The employee, Luke Gilliam, implicates himself in David's demise.

Emily then makes it her mission to get close to him and eventually bring him down. Emily later takes out her red Sharpie and draws an X across Luke's face.

At the same time, Victoria is using a black Sharpie to put an X over Luke's face in her copy of the photo. It turns out she brought Luke to the Hamptons and purposely arranged for Emily to hear them talking, all so she could prove that Emily isn't just out to take down the Graysons. She tells Pascal (Olivier Martinez) that it's revenge for David.

Meanwhile, Aiden (Barry Sloane) tracks down Brenda Evans, a mysterious woman who has been spending Oscar Chapman's money ever since he faked his own death. And it turns out that there is a good reason why Brenda is spending Oscar's money: Brenda is Oscar in a wig.

He then finds out that his father thought he was planting diamonds on Flight 197, not a bomb, and that he didn't kill himself--Pascal killed him. He tells Oscar that he has to come forward.

Shortly after, Oscar is shot dead by Pascal.

Also, Conrad (Henry Czerny) tries to create trouble between Victoria and Pascal by suggesting that he is also responsible for David's downfall. Pascal then reveals to Conrad that he has a recording of a 20-year-old conversation that implicates both of them.

Jack (Nick Wechsler) breaks up with Margaux after he finds out that she helped Daniel (Joshua Bowman) steal Javier's program from Nolan (Gabriel Mann). Nolan gets back at Daniel by tweaking Grayson Manor's electricity.

Before this season of "Revenge" comes to a close, executive producer Sunil Nayar hinted that Victoria may figure out Emily's entire plan.

"Victoria is getting close," Nayar told TVGuide. "That [...] is the point we're racing towards at the end of the season."

Meanwhile, on the next episode, titled "Revolution," Victoria will accept Pascal's marriage proposal. Alas, her happiness won't last very long, as Pascal will get kidnapped... by Emily.

Watch the promo below for "Revolution," which airs Sunday, April 27 at 9 p.m. EDT on ABC.