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Pretty Little Liars

Pretty Little Liars Season 3, Episode 21 Preview: Spencer’s Fight (VIDEO)

Now that the Liars know about Toby’s betrayal, Spencer’s fight against “A” has just begun, and as Pretty Little Liars fans will see in this preview (Season 3, Episode 21: “Out of Sight, Out of Mind”), Spence will reach her breaking point.

Here’s what we can tell from the synopsis: Hanna helps her mom in the wake of Ashley’s hit-and-run and ponders if “A” was involved in the incident — and Detective Wilden’s disappearance. Meanwhile, Emily is not receptive to Spencer’s warnings, and Aria must accept Ezra’s new role as a father.

As for Spencer, she’s most definitely No. 1 on “A’s” hit list. Now that the Liars know about Toby’s betrayal, Spencer will do anything to protect her friends from “A’s” wrath — even if that means going after “A” herself. She’s proven she can take on Mona, but what else does the “A” team have in store for our favorite Hastings?

Catch the next episode of Pretty Little Liars on Tuesday, February 26, 2013 at 8 p.m. ET/PT on ABC Family.

Check out these photos from Season 3, Epsiode 21: "Out of Sight, Out of Mind." Are you excited for next week's episode? Sound off in the comments!