Spencer is released from Radley. To celebrate, she invites her friends to a soirée. After receiving a clue from Malcolm while babysitting him, Hanna determines that Spencer was the one who kidnapped Malcolm.
Five months after Mona revealed as ‘A,’ the Liars are drinking at a slumber party, talking about their summer before they begin their senior year of high school.
Hearing to shocking news about Rosewood, the liars and their families all try to cope with the outcome; Hanna gets a surprising look into Caleb’s life after his shady foster mother surfaces.
Someone disguised as the Queen of Hearts spikes Aria’s drink while she sits and rests in-between Adam’s sets. Garrett corners Spencer and reveals to her that he made Jenna think that he killed Alison, but it was a ruse.