Erin Harris had the best of friends Hanna , Aria , Spencer,Emily and the one and only Alison Dilaurentis. She also had a boyfriend ,well a secret boyfriend none other than Ali's brother Jason Dilaurentis . All of a sudden Alison goes missing and the Dilaurentis family moves leaving Erin heart broken. A year later they find Alison..... Body dead. Which makes the Dilaurentis come back to Rosewood. Erin has a new next door neighbor the one and only Jason Dilaurentis .