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"Pretty Little Liars" follows four estranged best friends who are reunited a year after the leader of their clique goes missing, only to realize that they're all receiving anonymous messages... More

"Pretty Little Liars" follows four estranged best friends who are reunited a year after the leader of their clique goes missing, only to realize that they're all receiving anonymous messages from someone who knows all their secrets.

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3 Pretty Little Liars Sneak Peeks (Mid-Season Premiere)
Pretty Little Liars: Sneak Peek for Mid-Season Premiere