One year after the mysterious disappearance of Alison Dilaurentis, her friends believe their secrets are safe forever, but the truth may be only one text away.

The Liars gear up for a confrontation with A.D.; Spencer, Hanna and Caleb discover new information regarding Charlotte's death.

Flashbacks from Aria, Spencer, Hanna and Emily's past occur when blind girl, Jenna, shows up in Rosewood. Aria tries to stay away from her English teacher, Ezra Fitz. Emily and Maya share a short kiss.

It's one year later, and the Liars have moved on with their lives, unaware of who A.D. was. The game has ended, but A.D. isn't finished with one Liar yet, as they all finally find out who was torturing them.

Aria has an unsettling encounter with Meredith; Emily is forced to see Toby in a new light; Spencer is reeling in the wake of a vengeful Melissa.

The liars take matters into their own hands and try to put a stop to "A" by blocking all unknown users, but their problems are far from over.

It's one year later, and the Liars have moved on with their lives, unaware of who A.D. was. The game has ended, but A.D. isn't finished with one Liar yet, as they all finally find out who was torturing them.

Trying to ignore "A" backfired for the liars and now they must pay the penalty as they deal with typical teenage drama - the boy kind.

Cast members share secrets and memorable moments.

The homecoming dance is supposed to be a time for fun and making memories, but for the liars, disturbing secrets threaten to ruin their perfect night.

After the homecoming dance, the liars try to sort out the devastation; "A" isn't the only one sending Aria texts as tensions rise in the Montgomery household..

Last-minute preparations for Alison's memorial get derailed when her brother, Jason DiLaurentis arrives back in Rosewood, and saying goodbye is at the bottom of his list.