Aria remains suspicious of Byron. Mona tells the Liars that Harold, the janitor, has pursued her and she declined his sexual advances. They doubt her honesty.
Aria is sidelined by the flu and Meredith takes care of her while Byron is away. Mona and Toby plan their next “A” move against the Liars in the new “A” lair
In Alison’s biology notebook, Emily, Aria, and Hanna discover a conversation between Alison and a friend where Alison talks about a “beach hottie.” Emily turns to CeCe for answers about the beach hottie but CeCe claims Ali never told her who it was.
Emily seeks Dr. Sullivan to help her deal with confounding emotions over killing someone in self-defense. Dr. Sullivan suggests hypnotherapy, which results in confusing Emily further.
Spencer continues on a downward spiral from her break-up with Toby. Andrew Campbell kicks Spencer off the scholastic decathlon. Emily tries to talk to Spencer but Spencer refuses.
The hunt is on for discovering the identity of the girl in the red coat. Hanna comes clean to Ashley about knowing CeCe and that she and her friends found out about an illicit relationship between Ali and Wilden.
Spencer reveals to Aria and Emily that Toby is helping Mona. Aria returns to Ezra’s apartment to find he has returned…with Maggie and Malcolm. Emily and Hanna arrive at Toby’s apartment and find a parking pass with the name “E. Lamb,” Toby’s alias for Radley