After everything settles down with A, Hanna moves with the rest of the girls to San Francisco. When Hanna decides to move in a apartment alone, she starts to think. A lot. She realizes that she misses Caleb. When they meet, it's almost as if they never broke up. Almost. What will happen when a friend of Hanna's betrays her and her relationship? Will things ever go back to normal? Pretty Little Liars!