Secret | [s2e13] The First

At the party, Alison stages a terrifying "attack" by a masked assailant to test the loyalty of her friends. She is initially amused until she realizes the person she thought was her partner-in-crime (Noel) wasn't actually there for the prank. Key Character Backstories

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” [S2E13] The First Secret

" 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 At the party, Alison stages a terrifying "attack"

"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. It highlights Alison’s manipulative nature and the complex

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

Is under immense pressure to win a school election, leading to Alison manipulating the results in her favor. The Origin of "A"