The Pretty Little Liars episode (Season 2, Episode 12) serves as the intense mid-season finale where "A" blackmails the Liars into completing specific tasks to save their therapist, Dr. Anne Sullivan. Plot Overview

The episode is structured through flashbacks as the four girls—covered in dirt—are interrogated at the police station by Detective Wilden. Earlier that day, "A" sent each girl a creepy doll with a specific mission to perform by 7:00 PM or Dr. Sullivan would be killed.

: Did not receive a doll; instead, her GPS leads her to an isolated barn where she is trapped with a running car and nearly dies from carbon monoxide poisoning. She is saved by a vision (or the reality) of Alison DiLaurentis . The Setup & Climax

: Forced to get rid of Ezra's ex-fiancée, Jackie Molina, by using evidence of Jackie's plagiarism.

: Ordered to "keep Toby safe," which she interprets as needing to break up with him to prevent "A" from physically harming him after his truck's brakes were tampered with.