Pretty Little Liars Season 1 Episode 13 Know Your Frenemies

"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. Relationships are in flux in Rosewood, PA as the Liars face many obstacles. As Noel steps up his pursuit of Ezra and what he can gain from his knowledge, Aria and Ezra start to feel like there may be no way out. Emily must also deal with opposition to her love life, as her mother Pam's perceived tolerance of Maya comes to a screeching halt. And Spencer must now handle the return of happy newlyweds Melissa and Ian, even though her suspicions of Ian's ties to Alison grow. But with the other girls' support and unexpected help form an unlikely source, the future for the Liars doesn't look so hopeless.

Pretty Little Liars Season 1 Episode 13 Know Your Frenemies