Ali forms a bond with Hanna's mom. Hanna continues to fall out of control.
Ali forms a bond with Hanna's mom. Hanna continues to spiral out of control, making the PLL's question her judgement.
Aria volunteers at Radley to look for clues. Emily's mom hosts a dinner.
Aria begins her volunteer work at Radley and quickly gets down to business finding any answers she can about a patient who is of interest to the Liars. But she quickly hits a snag when she comes across an aggressive patient that may be the key to what the Liars are looking for. Also searching for answers, Spencer takes a note from Ezra's playbook by borrowing some of his spy equipment to keep a closer eye on the home front. Meanwhile, Hanna is caught at odds when Ali and Caleb butt heads, and Emily seeks help from her friends when her mom invites Ali over for dinner.
Aria volunteers at Radley to find any clues that connect the girl in Ali's grave to Mrs. D. Emily's mom hosts a dinner for Ali.
Aria looks for answers at Radley. Spencer borrows some of Ezra's spy equipment to keep a closer eye on the home front. Hanna is caught at odds when Ali and Caleb butt heads.
After the big endiing of the 100th episode, the PLLs deal with the fallout.
With the town of Rosewood trying to get back to normal, the PLLs - especially Ali - are far from okay after the latest "accident." Alison is especially spooked and thinking that it wasn't the right decision to come home after all, she starts to consider leaving for good. But Aria, Emily, Hanna and Spencer are determined to keep her safe in Rosewood and to figure out who and what is behind this latest incident. Meanwhile, Caleb also starts second-guessing his return, and Ezra dives into his research to help find answers.
Alison is spooked after the most recent Rosewood "accident" and wonders if she should have come back after all. Caleb also starts second-guessing his return.
In the 100th episode, Ali returns to school, Caleb returns to Rosewood.
The day has finally arrived: It's Alison's first day back at Rosewood High and neither the Liars nor Alison are really ready for it. Determined to put on a brave face, Alison also hopes to help heal the damage she did years ago. But are apologies enough for those who Alison has hurt in the past? Not if Mona and her army have anything to say about it. Meanwhile, Caleb and an old foe return to Rosewood.
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