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.
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.
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.
The liars are trapped at school as a bad storm brews, and tensions run high; Byron leans on Ashley for advice on parenting as his relationship with Ella takes a bad turn.
The liars go glamping for Mona's birthday as A's threats escalate and the FBI arrives in Rosewood. But not even a mani-pedi can lift the girls' spirits when the evening takes a dangerous turn.