Hanna finally gets a hold of Mona on the phone, who is seen packing her things in her room. Mona says the cops need someone to corroborate her story about Wilden before they can arrest her. Mona double checks that Ashley got out on bail and says, "You're welcome," before Hanna even has the chance to say 'thank you.' Paige throws Emily a surprise birthday party with even more surprising guests — Jenna and Shana but it's the actions of "A" at the party that lead to the biggest shock of all. Mona's selfless act provides Hanna and her mother with their first bit of good news, but it sends Mona down a familiar path. Ezra gets some distressing news from Maggie regarding her and Malcolm. Meanwhile, Aria and Jake continue trying to define their confusing relationship. Emily meets with a world-class coach in a last-ditch effort to salvage her swimming career. #PLL #PrettyLittleLiars