[s2e13] The First: Secret

"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.

Struggles with her self-image and her father’s recent departure, all while being bullied by Alison about her weight.

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 [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.

Discovers her father, Byron, having an affair with one of his students, Meredith, and is sworn to secrecy. "The First Secret" reveals that Alison was being

Grapples with her sexuality, allowing a false rumor about a boy to persist to hide her true feelings.

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” Struggles with her self-image and her father’s recent

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