<P> Sara starts stalking Emily . It is later revealed that on the night' A' was revealed, after Emily punched Sara, Sara tried to stand up and put her hands on an electrical block, severely injuring her hands and making it difficult for her to touch or hold things . Eventually, a new' A' rises, sending threatening messages with creep emojis to the Liars, determined to get answers on the night Charlotte was murdered . Convinced that Sara is' Uber A', the girls search for answers . Ali reveals that she and Charlotte's doctor, Elliott, are dating . Later they are married by Aria . The girls initially suspect Aria killed Charlotte . The suspicion shifts to Ezra and then Byron . Later, the suspicion shifts to Melissa when Spencer discovers Melissa's suitcase is broken with the missing part matching the description of the alleged murder weapon . Emily eventually finds it and is nearly run over by a truck and the driver steals the weapon . To save Ezra from losing his book deal with Aria's publishing company, she decides to write and submit some chapters for Ezra's new book . She's forced to tell him and they finish it together . </P> <P> Emily is donating eggs to pay for school and loses her eggs when the clinic encounters a minor shutdown of its freezers; Aria gets burned by a fire caused by a malfunction at Hanna's bridal shower; and Alison falls down a flight of stairs . The girls build a plan of attack, which offers Hanna as bait . After Ali sees what appears to be her dead mother and Detective Wilden, she starts to question her sanity and checks herself into the same hospital Charlotte attended . Spencer, Toby and Mona work together to catch Sara, but instead they find old medical records for a woman named Mary Drake, and she was the one who gave birth to Charles while a patient at the Radley (now a hotel managed by Ashley Marin) 25 years ago, the DiLaurentis family adopted Charles as she was unable to take care of him . </P> <P> The girls' plan is leave Hanna waiting for' Uber A' to arrive at Lost Woods Resort, while Aria and the boys are out hiding, but when Hanna goes missing they find out that' Uber A' used a secret passage and kidnapped her . Looking over footage from cameras outside, they all are shocked to see what looks to be Mrs. D, asking themselves how this is possible . At Alison's house, "Wilden" rips off his mask revealing himself to be Elliott, and Mary Drake, who is revealed to be Jessica's twin, joins him . They succeeded in committing Alison, and with Ali hospitalized, he has her money and the house as her husband, which is their revenge for what happened to Charlotte, as he was in love with her and Mary always felt an attachment as her birth mother . She glances at a photograph of Charlotte and says it is what she would've wanted . In the last scene, we see Hanna's unconscious body being dragged by' Uber A' in the church's bell tower . </P> <Table> <Tr> <Td> <H3> Main cast (edit) </H3> <Ul> <Li> Troian Bellisario as Spencer Hastings </Li> <Li> Ashley Benson as Hanna Marin </Li> <Li> Tyler Blackburn as Caleb Rivers </Li> <Li> Lucy Hale as Aria Montgomery </Li> <Li> Ian Harding as Ezra Fitz </Li> <Li> Laura Leighton as Ashley Marin </Li> <Li> Shay Mitchell as Emily Fields </Li> <Li> Janel Parrish as Mona Vanderwaal </Li> <Li> Sasha Pieterse as Alison DiLaurentis </Li> </Ul> <H3> Special guest cast (edit) </H3> <Ul> <Li> Holly Marie Combs as Ella Montgomery </Li> <Li> Chad Lowe as Byron Montgomery </Li> </Ul> </Td> <Td> <H3> Recurring cast (edit) </H3> <Ul> <Li> Dre Davis as Sara Harvey </Li> <Li> Travis Winfrey as Lorenzo Calderon </Li> <Li> Keegan Allen as Toby Cavanaugh </Li> <Li> Jim Abele as Kenneth DiLaurentis </Li> <Li> Lesley Fera as Veronica Hastings </Li> <Li> Nia Peeples as Pam Fields </Li> <Li> Huw Collins as Dr. Elliott Rollins </Li> <Li> Drew Van Acker as Jason DiLaurentis </Li> <Li> Andrea Parker as Jessica DiLaurentis and Mary Drake </Li> <Li> Titus Makin, Jr. as Clark Wilkins </Li> <Li> Roberto Aguire as Liam Greene </Li> </Ul> </Td> <Td> <H3> Guest cast (edit) </H3> <Ul> <Li> Roma Maffia as Lieutenant Linda Tanner </Li> <Li> Lulu Brud as Sabrina </Li> <Li> David Coussins as Jordan Hobart </Li> <Li> Rebecca Breeds as Nicole Gordon </Li> <Li> Kara Royster as Yvonne Phillips </Li> <Li> Vanessa Ray as CeCe Drake / Charlotte DiLaurentis </Li> <Li> Torrey DeVitto as Melissa Hastings </Li> <Li> Brendan Robinson as Lucas Gottesman </Li> <Li> Nolan North as Peter Hastings </Li> <Li> Bryce Johnson as Darren Wilden </Li> <Li> Brandon Firla as Gil </Li> <Li> Blake Berris as Damian Hayes </Li> <Li> Klea Scott as Jillian Howe </Li> <Li> Brandon W. Jones as Andrew Campbell </Li> <Li> Nathaniel Buzolic as Dean Stavros </Li> <Li> Caleb Lane as Rhys Matthews </Li> <Li> Jim Titus as Officer Barry Maple </Li> <Li> Annabeth Gish as Dr. Anne Sullivan </Li> <Li> Cody Allen Christian as Mike Montgomery </Li> <Li> Elizabeth McLaughlin as Lesli Stone </Li> <Li> Skyler Day as Claire </Li> <Li> Karla Droege as Marion Cavanaugh </Li> <Li> Jessica Belkin as Bethany Young </Li> <Li> Melanie Moreno as Cindy </Li> <Li> Monica Moreno as Mindy </Li> <Li> Maddie Ziegler as Creepy Dancer </Li> </Ul> </Td> </Tr> </Table>

What happens at the end of pll season 6
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