[s2e13] The First Secret Direct

Discovers her father, Byron, having an affair with one of his students, Meredith, and is sworn to secrecy.

" The First Secret " is the of the mystery drama series Pretty Little Liars . Originally aired on October 19, 2011, it serves as a prequel/Halloween special that takes viewers back to the autumn before the show's main events began. Plot Overview

The episode follows the Liars—Aria, Hanna, Spencer, and Emily—during the Halloween of 2008, when Alison DiLaurentis was still the undisputed "Queen Bee" of Rosewood. [S2E13] The First Secret

While shopping for costumes, Alison meets the "new girl," Jenna Marshall. When they both want the same Lady Gaga costume, Alison attempts to intimidate her, but Jenna famously refuses her offer of friendship, marking the start of their rivalry.

The girls are desperate for an invite to Noel Kahn’s legendary Halloween party. Discovers her father, Byron, having an affair with

"The First Secret" reveals that Alison was being stalked long before the other girls were. Throughout the episode, she receives threatening texts and a package containing a creepy voodoo doll with the message: “It’s my turn to torture you” . This suggests that "A" (later revealed to be Mona Vanderwaal) was already active and targeting Alison months before her disappearance.

Fans often cite this as a top-tier episode because it fills in essential gaps in the Rosewood lore. It highlights Alison’s manipulative nature and the complex power dynamics she held over her "friends," while also planting early clues about the and the identities of those who hated her most, such as Lucas and Mona. Pretty Little Liars S2.E13 “The First Secret” Plot Overview The episode follows the Liars—Aria, Hanna,

The episode provides critical context for the secrets the girls kept before "A" began harassing them: