Leona walks out of the principal's office and upon seeing Mona, lies to her about why she is in school. As her mom leaves and Mona walks to class, she sees Alison surrounded by a new group of friends. She smiles tauntingly at Mona before she is called to the principal's office.
With Alison leading them down a dangerous path and “A” barring them from telling the police the truth, Aria, Emily, Hanna and Spencer feel trapped and are desperate to find a way out of this mess by joining forces with Mona, resulting in an aching loss. Meanwhile, Alison begins to build up her own army now that the PLLs have turned their back on her and Spencer ends up in the cross-hairs of Bethany Young's murder investigation. #PLL #PrettyLittleLiars #FAtalFinale