Hanna had figured out who A was and was about to tell her friends when A ran her over with a car. Even though Hanna has awakened from her coma and will be fine, now she can't remember anything that happened right before the accident. Aria, Spencer, and Emily don't know what to do. A's still threatening them and now they know she means business. On top of that Hanna's best friend Mona has also started receiving threatening texts from A. It seems the girls will forever live in fear of A until a simple phrase that Emily says to Hanna brings her memory back. "Don't believe everything you hear", suddenly Hanna remembers who A is; great news right? It would be if Spencer wasn't with A when Hanna remembers. Will the girls be able to get to Spencer before A realizes that they know who she is? To find out read Unbelievable.