Pretty Little Liars Spoiler Photos: Season 4, Episode 17 — "Bite Your Tongue"

Check out these sneak peek pics from Pretty Little Liars Season 4, Episode 17: “Bite Your Tongue” (January 28). In the suspenseful episode, the Liars continue to get their Nancy Drew on when Spencer tries to solve a few of the mysteries from Ali's diary and Hanna comes up with a plan to figure out who's in Ali's grave. Read on for ABC Family's full episode synopsis. What do you think of the pics? Sound off in the comments! Hanna’s new interest in crime novels helps her to come up with a plan...


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