As Noel steps up his pursuit of Ezra, him and Aria start to feel like there may be no way out; Pam's perceived tolerance of Maya comes to a screeching halt; Spencer must handle the return of happy newlyweds Melissa and Ian; "A" has Hanna jumping through old habit hoops with regard to the stolen money.

When Spencer questions her mother taking on Garrett's case, she stumbles upon a larger secret; Aria agrees to be Jenna's accompanist.

Aria, Emily and Hanna try to locate a missing Spencer - but Spencer may not want to be found; Emily meets Olympic gold medalist Missy Franklin.

The PLLs work with Mona to try and get some clarity on A.

Caleb and Toby team up to investigate "A" and what happened the night of the lodge fire; Ezra struggles with how he fits into Aria's life; Hanna tries to act normal.

Emily, Hanna and Spencer are concerned for Aria as they watch their friend crumble after learning shocking news about Ezra. Not knowing what is true or who to trust, Aria goes looking for answers, not wanting to believe this revelation to be true. Spencer is concerned for Aria, but she is not doing so well herself. Trying to prove to her parents and Toby that she can kick the habit on her own, Spencer has to be careful because one misstep could send her to rehab. Can Spencer really rein it in, or will her constant curiosity and drive be her undoing? Meanwhile, Paige has had enough with Emily's secrets and is determined to stop it.

The liars are forced to live through Ali's latest lie; Hanna and Aria have loose ends with two people who know about Ali's story; Spencer and Emily try to uncover Jason's whereabouts in New York.

Emily and Paige apply for the same job; Hannah is visited by Mrs. Grunwald; Ali returns to work; Spencer and Aria pursue answers from the doctor who delivered Mary's baby.