Sometimes bad things happen to bad girls. . . . Aria´s love life is on the Fitz ahem, fritz. Emily´s exploring her wild side. Hanna´s kissing the enemy. And someone from Spencer´s past someone she never thought she´d see again is back to haunt her. But none of that compares to what these pretty little liars did on their last spring break. It´s their darkest secret yet. And guess who else knows?I haven´t forgotten, and I certainly haven´t forgiven. These pretty little liars better watch their backs because they´re about to get exactly what they deserve. . . ."