Apparently what problems could be a teenage girl from the small town of Rosewood be? Difficulty in a dress and to choose a non-return of love. to dream the main character of the series about the matter. Instead, they are threatened and blackmailed by a madman who kidnapped and killed their leader, Allison. One year after his departure, the mysterious intruder ruined the lives of four friends: Aria, Spencer, Hanna and Emily. The girls are at risk. You need to know what happened to Allison, and if you're lucky - to avoid the tragic fate.