The discovery of a new piece of evidence about Alison's disappearance brings the FBI to town, and the last thing the girls want to do is go 'glamping' for a birthday party.

Relationships are in flux in Rosewood as the girls face many obstacles. As Noel steps up his pursuit of Ezra, Aria and Ezra begin to feel like there may be no way out.

The girls try to resume a sense of normality in their lives, but even the simple tasks of dating and extracurricular activities meet with strife.

After a shocking revelation from the police, the spotlight is turned on four little liars who look to be crying wolf. But with everything pointing to Ian, how could the girls be wrong?

Disbelieved by police and families, the tormented quartet is sent for therapy. The chance to share at least some of their secrets proves appealing.

In custody after a testing day, three of the girls count the cost of the tasks ‘A’ set them to save a life.

Caleb’s laptop leads to trouble, Aria learns what Holden has held back, and a man who had information for Alison demands money.

A creepy ‘hospital’ visited by Alison holds a sinister surprise, while Caleb goes along with a sting unwillingly.

Approaching the second anniversary of Alison's disappearance, a shocking event rocks Rosewood.

As the town becomes a media circus in the run-up to the new trial, the girls are betrayed by someone close to them.

Spencer’s misbehaviour causes concern, Hanna engineers an encounter Caleb is resisting, Emily’s detective work turns dangerous.

Spencer’s mental state deteriorates while her friends fret. A reappearance proves miraculous and ominous.

Caleb and Toby team up to investigate "A" and what really happened the night of the lodge fire and encounter a source that points to a new possible identity for "Red Coat".

Aria, Emily, Hanna and Spencer crash the Ravenswood Founders Day Celebration after a clue in "A"'s new lair suggests that Ali may indeed be alive.

Aria, Emily, Hanna and Spencer feel trapped and search desperately for a way out of a bad situation.

Shocking secrets come to light for Aria, Emily, Hanna and Spencer as the biggest clue to the "A" mystery is revealed.

After years of tormenting and numerous shocking revelations, Torn between their old habits and their new lives, the events in Rosewood compel the Liars to join forces once again, as relationships are put to the test and secrets are revealed. Having matured over the past few years, these are not the same girls who left Rosewood. As new lies emerge – how will they push forward without going back?

With the stalker threatening to kill all of them if they don’t divulge Charlotte’s killer by the election, the PLLs and company, at wit’s end, must boldly fight back. As Spencer and Toby work together to catch Sara Harvey, Yvonne wonders where Toby’s true affections lie. Ezra finishes the last chapter of his book, finally ready to say goodbye to Nicole; Aria comforts him during this emotional time and old feelings bubble to the surface. While Caleb works intently on his plan to protect Hanna, they reflect on what could have been.

Meanwhile, Alison experiences strange visions and starts to question her sanity; Emily keeps tabs on her to make sure she’s okay.

After Hanna’s shocking abduction by “Uber A,” the PLLs and company desperately race against the clock to save one of their own. The only way to do this is by handing over evidence of Charlotte’s real murderer to “Uber A.” In order to do so, the girls must decide what blatant lines they are willing to cross that they have never breached before; and once they cross that line, there is no turning back.

Emily butts heads with teenager Addison, who appears to be a new version of high school Ali, and who may be connected to a familiar foe. Spencer confronts her mother about keeping family secrets. Aria confides in Holden about her relationship with Ezra, while Spencer turns to Detective Furey for help. And Jenna stirs up even more trouble when she returns to Rosewood with some insight into Noel Kahn and recent events.