The ladies grow suspicious of Elliott as Ali's condition worsens; Liam, Aria and Ezra work on the book together; and Spencer and Caleb ignore the elephant in the room. Meanwhile, Emily receives a disturbing phone call and attempts to see Ali.

Cast: Troian Bellisario, Ashley Benson, Tyler Blackburn, Lucy Hale, Ian Harding, Laura Leighton, Shay Mitchell, Janel Parrish, Sasha Pieterse, Huw Collins, Gwen Holloway, Andrea Parker, Brendan Robinson