Mona's return to Rosewood High shakes the Liars to their core. When they see Mona talking to a janitor, they quickly recognize him as the hotel clerk from Lost Woods Resort. Their investigation of the janitors office leads them to find Ali's diary. Ali's diary states that she had been blackmailing Byron about his affair, and after a mysterious tip from Garrett in the previous episode, the girls begin to suspect Byron of having something to do with Ali's murder.moreless
After the hiatus, PLL returned with a really strong hour of TV that fast-forwarded the overreactions and the girly chit chat to get back to the action, and add in another strong candidate to the "A" drama. Intense and entertaining and setting the stage for a good next few weeks, even if we are no closer to solving anything than we were awhile back.