But we all know secrets never stay hidden in Rosewood. So what will happen if and when Ezra finds out the truth?
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In a recent interview with TVLine, PLL executive producer Oliver Goldstick dished that we will continue to see Maggie in the winter season, and she'll be a "true threat" to Ezria.
"It’s explosive," Oliver warns when asked what it's like when Ezra learns about Aria's lie. "It’s yet another huge obstacle for this couple. What we’re trying to tap into is that Aria’s out of her league here."
And it sounds like the season will be a tense time for Ezria fans, because the lie doesn't come out quickly — and, of course "the longer you hold on to secrets, the worse they get."
Does this mean the end of Ezria? Not necessarily. Oliver says it's a "game changer," but assures fans it's not an "insurmountable" problem for the couple.
For much more from Oliver, read the whole interview at TVLine.