Just when we thought there was a method to How to Get Away with Murder's madness this season — you know, revealing who's not dead one-by-one in every episode — the show threw us a huge curveball last week: There's another body in Annalise's (Viola Davis) burning house.

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Fortunately, this person is alive, and his or her identity will be revealed in Thursday's episode — along with another bombshell that threw star Karla Souza for a loop. "There's a huge, huge twist in Episode 4," she tells TVGuide.com. "You are going to be asking a whole other bunch of different questions when that comes up."

So what is it? Let's just say both reveals are related.

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