Ezra might not be "A", but Aria still learned that he's been lying to her this whole time on Pretty Little Liars Season 4, Episode 20 (“Free Fall”). So, what will the aftermath of the big reveal look like in Season 4, Episode 21 ("She's Come Undone")? We've gathered the biggest spoilers about the episode right here to prepare you for what happens when Aria comes "undone."

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Oh, Aria is not happy. As the official synopsis of the episode explains, "Emily, Hanna and Spencer are concerned for Aria as they watch their friend crumble after learning shocking news about Ezra. Not knowing what is true or what to trust, Aria goes looking for answers, not wanting to believe this revelation to be true."

However, as we see in this sneak peek, Aria gets into Ezra's apartment and discovers that no, he really did betray her. And the result? She trashes Ezra's apartment. Yeah, she's definitely a "woman scorned."

Aria wants to confront Ezra! In this sneak peek, we see that Aria wants to confront Ezra. In school. Yeah, she is not thinking clearly — but he's not around, anyway. What do you think: Is this before or after she trashes his place?

Spencer's having problems, too. Of course, as the synopsis points out, "Spencer is not doing so well herself." It goes on to explain, "Trying to prove to her parents and Toby that she can kick the habit on her own, Spencer has to be careful because one misstep could send her to rehab. But can Spencer really rein it in, or will her constant curiosity and drive be her undoing?"

Are you looking forward to this episode? Let us know in the comments below!

Catch this episode of Pretty Little Liars Season 4 on Tuesday, February 25, 2014 at 8 p.m. ET on ABC Family.

Rebecca Martin is an Associate Editor at Wetpaint Entertainment and our resident Game of Thrones, Breaking Bad, and genre TV expert. Follow her on Twitter and Google+!