Jenna comes back to Rosewood and befriends someone who puts her at the top of the Uber-A suspect list. Meanwhile, Ali's put under the watch of Mary Drake; Spencer enlists Hanna's help to search for Caleb; and Aria and Emily discover a secret apartment.

Cast: Troian Bellisario, Ashley Benson, Tyler Blackburn, Lucy Hale, Ian Harding, Shay Mitchell, Andrea Parker, Janel Parrish, Sasha Pieterse, Roberto Aguire, Keegan Allen, Dre Davis, Nicholas Gonzalez, Tammin Sursok