Emily takes up the sleuthing reins and hunts for answers about Ezra and Mona. Hanna begins a new search after being confronted by Holbrook (SEAN FARIS) and Tanner (ROMA MAFFIA).
Aria visits her dad in Syracuse and goes on a bender.
Aria grapples with Ezra's betrayal while Spencer must deal with the fallout from her addiction. Meanwhile, Paige (LINDSEY SHAW) is fed up with Emily's secrets.
The PLLs try to help Aria cope. Paige corners Emily about Ali.
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 (recurring guest star KEEGAN ALLEN) 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 (recurring guest star LINDSEY SHAW) has had enough with Emily's secrets and is determined to stop it.
The PLLs try to help Aria cope. Paige corners Emily about Ali. Spencer’s family realizes the severity of her addiction.
Spencer is determined to tell Aria about Ezra, but Ezra questions Spencer's credibility in lieu of her recent addiction problems. Can the girls trust Spencer?
The Liars learn about Spencer's addiction and try to help.
Spencer is determined to finally tell Aria what she has found out about Ezra, but Emily and Hanna are worried about what it could do to their friend. A wrench is thrown into the plan when Ezra tells Aria of his concern and suspicion of Spencer's recent addiction problem. Now with Spencer's credibility being questioned, can the girls trust what Spencer has been telling them about Ezra? Could this all be a figment of Spencer's tired brain, or is it just a clever ploy by Ezra to cover his tracks?
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