
Spencer and Emily make plans to visit a nearby college, but they have very different agendas for their time spent on campus.
Holbrook’s partner, Lt Tanner, comes to town, intensifying their investigation into the Liars and their possible connection to Wilden’s death.
Hanna worries that her mother is keeping a dangerous secret and is determined to protect her at all costs, which leads to an uncomfortable meeting with Detective Holbrook.
The presence of Mrs DiLaurentis continues to unnerve those around her, especially when she gives Hanna a parrot, whose gift for mimicry provides an insight into Alison’s last days.
The girls are reunited when they each begin receiving threatening messages from someone named « A, » suggesting Alison is actually alive – and watching them.
A turncoat’s betrayal is nothing compared to the deadly trap the liars are lured into hoping to see the face of their nemesis.
Some secrets of Mona’s asylum stay come to light, a corpse must be faced, and a lost child tracked down.
Spencer’s mental state deteriorates while her friends fret. A reappearance proves miraculous and ominous.
Death stalks someone close to Spencer, while Hanna has evidence to ditch, and Aria finds baby-sitting awkward.
Det. Wilden seeks to silence those who know his secret, the heat is on for Spencer after reengaging with Wren, and Ezra’s mother tries a new angle of attack.
Spencer’s misbehaviour causes concern, Hanna engineers an encounter Caleb is resisting, Emily’s detective work turns dangerous.
Emily’s memories get muddled in therapy, Caleb’s boyhood things intrigue Hanna, Ezra’s brother brings trouble, and Spencer gets bitter.
Distracted Spencer’s anger is let-loose on Ezra, hurting Aria. Emily and Hanna each end up at the police station.
Ailing Aria has reason to be afraid, while Spencer’s romantic gesture results in an unpleasant surprise.
A battle of the brains stresses Spencer, Aria learns of reasons to suspect her father of foul play, Hanna confronts Lucas, and Emily gets a fright in the woods.
To the girls’ dismay, Mona is headed back to Rosewood High. Aria, Emily, Hanna and Spencer take very different views of the « new » Mona.
Unexpected Halloween party guests pop up at every turn and The Rosewood Halloween Ghost Train becomes one killer party.
As the town becomes a media circus in the run-up to the new trial, the girls are betrayed by someone close to them.
Paige’s past comes back to haunt Emily. Aria gets a surprise from Ezra’s past.
A cabin may hold the key to Maya’s secrets so Hanna and Emily do some snooping.
After Spencer turns in desperation to Cece for help with her college application, she and Aria may find some answers at the Kahn brothers’ party.
Spencer asks Caleb for help. Aria learns about Ezra’s past. Emily is worried about how Paige will be affected by everything « A » has done to her.
Hanna is worried that Detective Bryce is trying to frame her and the others turn to a very unlikely person for help.
A new clue could lead the girls down the wrong path. Emily remembers something new from the other night but the recollection suggests a very surprising suspect.