Spencer finally tells that girls that Toby is working with Mona. Emily (who isn't convinced that Toby could do that to them) is on a mission to track Toby down and get some answers. Meanwhile, "A" leaves Spencer a message telling her that someone close to her is going to pay since she revealed the truth.
Aria meets Ezra's son Malcolm - and while she is babysitting him, he falls and injures himself. Hanna convinces Ashley to not call the police and report her hit and run with Widen. But later, Hanna discovers Wilden's police car in her garage, with the video of Ashley running him over playing! Hanna and Aria end up pushing the car into the lake to dispose of the evidence.
Meanwhile, Spencer follows Mona through the woods...and is heartbroken when she discovers Toby's dead body!