The PLLs must dodge their dreaded nemesis, A, while navigating a world with Alison back in it.

Aria is haunted by the recent past events; Emily, Hanna and Spencer try to wrap their head around the new normal; Alison is forced to stay at home with her family, who she doesn't trust; Jason's odd behavior and Kenneth's search for Jessica starts to raise eyebrows about her disappearance. Written by TM.16

The liars are forced to live through Ali's latest lie and try to cover their tracks; Hanna and Aria have loose ends with two people who know the truth about Ali's story, Mona and Ezra; Spencer and Emily try to find out about Jason and his whereabouts when they were in New York. Written by Anonymous

The liars keep their distance from Ali; Spencer finds out her father has a little more than something to do with Jessica's murder; During a routine checkup, Hanna finds a scar; Aria is obsessed with Shana and wants to know more about her. Written by A

Ali returns to Rosewood High and hopes to help heal the damage she did years ago, but not if Mona and her army have anything to say about it; Caleb and an old foe return to Rosewood. Written by Anonymous

With 'A' back in their lives, the girls are determined more than ever to know his/her identity. While Ali prepares to run away from Rosewood, Hanna faces a challenge in her relationships. Detective Tanner digs deeper into the death of Shana.

Aria begins her volunteer work at Radley and comes across an aggressive patient that may hold the key to what the liars are looking for; Spencer borrows Ezra's spy equipment to keep a closer eye on the home front; Hanna is caught at odds when Ali and Caleb butt heads. Written by Anonymous

As Hanna's downward spiral continues, an unfortunate incident with Zack threatens to strain her friendship with Aria. Spencer and Emily dig deeper into Bethany's relationship with Mrs. Dilaurentis.

Spencer confronts Caleb regarding Hanna's issues; Aria opens up to Ella and questions her marriage to Zack; Emily and Spencer close in on Noel's motives and a call from detective Tanner has Alison perplexed.

All eyes are on Alison as she struggles with her response to Cyrus' confession. Melissa hints at knowing the truth and warns Spencer to keep away from Ali. Aria mulls over Spencer's plan of letting everything out in the open with Tanner.

Emily is on the hunt to find out the truth about Alison, seking unlikely help from Ezra Fitz for information about Cyrus and Alison's connection. Meanwhile Melissa's secret is finally revealed, Hanna asks for Spencer's and Toby's help with Caleb and his drinking problem. Written by Jules J

The girls join forces with Mona to figure out why Ali reached out to the police. Alison's actions put Spencer in the cross-hairs of Bethany's murder investigation. Mona reveals the truth about Ali, resulting in an aching loss.

It is Christmas time and all of the liars are planning on having a great time at the Ice ball, but 'A' has other plans.

The liars get trapped in an abandoned house with A on their trails they struggle to get out. Meanwhile Toby, Spencer, and Caleb try to find out who killed Mona.

Now that Alison is in jail, the 4 liars are A's victims. The liars are now scared more than ever.

A search for Mona's laptop is underway, and it may lead to Spencer and Caleb to break Toby's rules. Meanwhile, Aria gets sidetracked when she's about to come clean to Ezra; and Hanna and tries to keep her mom's secret when Pastor Ted returns. Written by Taylor Forrester

The liars are breaking the law. They need to look in the barrel and find out what's inside. But the cops are on their tail and they're getting ready to arrest. What will be in the tank?

Spencer spends time with Jonny; Emily tries to figure out Talia; Hanna digs into the past of Mona's friend Lesli; Mike's behavior concerns Aria; Holbrook returns to Rosewood.

Aria hopes Andrew can be her tutor; Spencer helps Jonny with a new project; Hanna turns to her father for financial assistance; Mike is involved in an incident at the school blood drive.

The liars desperately want to know why Mike gave their blood samples and why he's visiting Alison in jail; Hanna is worried about her fee and getting admission in dance; Emily still hasn't told Talia about her biggest fear; Spencer is still confused with why Toby's not telling her the truth.

Equipped with their new information about Mona, the liars decide they need to speak to Alison; Aria quickly learns that Mike's involvement could have serious repercussions for her family; The liars intensify their search for information on A; Ali looks to someone surprising for help with her murder trial. Written by joannakoziel

Aria, Emily and Hanna keep looking for a way to prove Ali's innocence without incriminating Mike. But when the D.A. proposes a plea bargain agreement for Ali that includes naming one of the PLLs as her accomplice, the girls intensify their search - not only to save Ali but to save themselves. Will Ali stick by her story of innocence, or will she give up one of the PLLs to save her own skin? Meanwhile, not knowing what is happening back in Rosewood, Spencer gets a much needed break from all the drama with a night out on the town in London. Written by joannakoziel

Alison's trial is about to begin and the once-confident Queen Bee is not so confident about her fate, as testimony reveals not only her lies but the lies of those close to her. Meanwhile, Spencer, Aria, Emily and Caleb search for information to clear the imprisoned Hanna following a string of clues that might have been left by Mona or possibly planted by A.

While the prosecution brings out a special witness that makes Alison look even more guilty, the liars try find a possible witness that could back up Alison's story. Mike is threatened by A when he tries to help Ali and Hanna and a decision in Alison's trial is made that changes everything. Written by Ashanti Jasmin Carr

'A' has always had fun playing with the liars, but now they have the biggest game to date in store for the girls. Written by ABC Family

Set in the fictional town of Rosewood, Pennsylvania, the series follows the lives of four girls, Aria Montgomery, Hanna Marin, Emily Fields, and Spencer Hastings, whose clique falls apart after the disappearance of their leader, Alison DiLaurentis. One year later, the estranged friends are reunited as they begin receiving messages from a mysterious figure named A, who threatens to expose their deepest secrets, including ones they thought only Alison knew. At first, they think it's Alison herself, but after her body is found, the girls realize that someone else is planning on ruining their not so perfect lives. Written by ahmetkozan