Alison Dilaurentis was a TA at BHU. After a series of unfortunate events; a murder, a dirty ex-FBI agent, lies, and blackmail. Alison grew close to ex-enemy Mona Vanderwaal. Through their friendship Alison learned to let the past go and to live her life with a clean-slate. Mona offered Alison to come back to Philadelphia with her after being fired from Beacon Heights. But after Mona regained her position back as Advisor, Mona's ticket was up for grabs. What will Alison do with her one way ticket to Philadelphia? Will she use it and go home to face her demons? Or will she stay at Beacon Heights and move on with her life?