A summer has passed since Aria, Emily, Hanna and Spencer found out about Mona being �A� and Maya�s death�. Each of the four girls spent their summer in different ways � Aria taking a photography class, Spencer taking college courses at Hollis, Hanna taking cooking classes with Caleb and Emily building houses in Haiti. But� with post-traumatic stress, anger and the acquisition of more secrets the four Liars are anything but fine. Now all back together and coming upon the second anniversary of Alison�s disappearance, the girls find themselves back on the defensive when a shocking event rocks Rosewood.