An intriguing riddle from �A� has the Liars hitting the road and heading to Ravenswood, where they are surrounded by some familiar faces. During a very special magic show, one Liar pulls a disappearing act, leaving the other three scrambling to make sure she hasn�t succumbed to �A�s� tricks. But before they can hightail it out of Ravenswood, they make a shocking discovery that proves that everything they thought they knew about �A� and the �A� team might be wrong. With this discovery, the Liars may just have started �World War A�– #WorldWarA. Meanwhile, Hanna and her mother�s joyous reunion is cut short when �A�s� sights are set on a new target. And Toby uncovers some surprising information about Wren.