Pretty Little Liars Season 2 Episode 12 : Over My Dead Body

"A" has given each of the four girls an important task to save Dr. Sullivan. They have until 7PM to save their trusted confidant, who is revealed to be still alive. They each receive wind-up dolls that speak out their missions. Aria's task is to get rid of Jackie with proof of Jackie's plagiarism. Spencer must break up with Toby in order to keep him safe from "A". Hanna must stop her father's wedding by telling Isabel about her parents' affair...