Enter the Professor – Mona, Ali and the Perfectionists pick up the pieces of their lives.
Lie Together,Die Together – The gang is convinced it knows who killed Nolan and sets out to prove it.
Hook, Line and Booker – Mona, Ali, and the Perfectionists concoct a plan to turn the tables on Dana Booker. Ali and Mona separately try to deduce how much they can trust Taylor as part of their team. Caitlin is left reeling when she finds out Jeremy may be keeping secrets of his own.
Dead Week – The Perfectionists try to get their personal lives back in order during Dead Week at BHU; Caitlin attempts to take her relationship with Jeremy to a new level; Dylan’s nerve damage threatens his solo project; Ali makes inroads with Taylor.
Lost And Found – When Alison brings Mona into her investigation of Taylor, Mona makes a surprising discovery; Ava comes into contact with Zach, a fellow student with an unexpected connection to her past; and the perfectionists struggle to recover from recent events.
The Patchwork Girl – Mona tries to get more information on Nolan’s murder. Dylan is distracted by Dana Booker’s investigation. The Perfectionists attempt to clear their name.
The Ghost Sonata – Alison hunts for Taylor, thinking she may be alive and in hiding; Caitlin, Ava and Dylan realize their friendship is threatened by secrets and debate coming clean to one another; the Perfectionists try to tighten a noose around their No. 1 suspect.
if one of them is dead – The Perfectionists identify a possible suspect in Nolan’s murder. Alison begins to look into the circumstances surrounding the mysterious suicide of Taylor Hotchkiss. And seeing the Perfectionists juggle sleuthing with their intense academic demands, Alison decides to use her past in Rosewood as a way to mentor them through their current situation.
Sex,Lies and Alibis – In the wake of Nolan’s murder, Ava, Caitlin, and Dylan join forces to give themselves a credible alibi on the night in question. Alison goes toe-to-toe with Dana Booker, BHU’s new head of security, who is suspicious of Nolan’s “perfect” posse.
The Perfect Pilot – The stress of needing to be perfect all the time leads to Beacon Height’s first murder