with someone on the phone, the girls receive a new message from “A.D.” and they realize that the stalker maybe is not so far as they think. At the Radley Hotel, Mary shows up and starts remembering the old Radley Sanitarium. Emily helps her and they deal to visit Alison together. At the psychiatric hospital, Alison wakes up and sees Emily. Alison claims for Emily's help, stating that Elliott is a bad person, and Alison sees Mary and starts thinking that she is her mother, Jessica. However, Elliott enters the room, and he kicks out everybody, including the nurse (Gwen Holloway). In the hallway, Elliott asks to talk with Mary; and, inside an office, Mary complains that she was calling Elliott for two days, without an answer and tells Elliott that he has gone too far. Elliott says that Mary should not appear in the hospital and tells her to leave him to his work. Emily, meanwhile, is watching their shadows through an unfocused window. Later, during "The Talented Mr. Rollins", the Liars come up with a plan to help Alison, and, while in the woods, Hanna accidentally hits Elliott with her car, killing him instantly. Afterwards, Emily, Spencer and Aria bury Elliott's body and cover their tracks towards his death. Emily and Aria goes to visit Alison the next day at Welby State and discover that the police knows about Elliott stealing the Carissimi Group money and is after him. Throughout "Along Comes Mary" and "Wanted: Dead or Alive", Emily and Sabrina spend the night together and Emily gets late for a test. However, days later, while preparing a type of drink, Emily receives a message, which alleges that she scored 92% in the exam. Sequentially, a message from "A.D." is received, revealing that he took the exam for Emily. Emily contacts the mysterious person who was helping Elliott through his burner phone, and she and Aria drives to Elliott's secret apartment. Aria and Emily find a mess that had been used to cover up Elliott's traces. The two discover that Acher surname is Dunhill, and connect directly to the acronym "A.D." They also found a fake head, several pictures of Darren Wilden's physical characteristics, passports, and a notebook with different types of payments. Emily and Aria get scared when someone tries to enter the apartment; however, they open the door when discover that is Toby. He says the