Spencer talks with Marco in order to make things clear regarding the kiss they had in the Radley elevator.
Meanwhile, Aria and Ezra struggle with their relationship after Aria turns down Ezra's proposal because of Elliott's murder.
The Liars attempt to rescue Alison from the psychiatric hospital to protect her from Uber A's threats.
Meanwhile, Alison manages to escape Rollins, who chases her to the woods, where a distracted Hanna hits him with her car.
Jenna comes back to Rosewood and is revealed to be in connection with Elliott, whose real name is revealed to be Archer.
Jenna befriends Sara Harvey which puts her at the top of the 'Uber A' suspect list.
At the psychiatric hospital, Alison, in a drugged state-of-mind, seemingly admits to Emily that she killed Charlotte.
Aria and Ezra search Alison's house, and are almost caught by Elliott.
After putting herself in danger, Hanna is rescued by Mary Drake.
After Alison calls Emily about her current condition, this leads the Liars to grow suspicious of Elliott.
Toby discovers this and gets the cops to release Alison who reveals that she was the red jacket blonde but only tried to comfort Charlotte. Sara reveals that they are all looking for the same thing but is killed soon after. The Liars find videos in Noel's cabin of him torturing them in the dollhouse. Peter returns and reveals that Mary is the one who killed Jessica. hires Sydney Driscoll as their helper and she fakes being A. In the finale moment, a new set of liars are awaken to find their leader, Addison, has just gone missing.
Hanna kidnaps Noel after negotiating with him doesn't work and films an interrogation video. Hanna and Spencer follow the trail of a private investigator he hired to find Mary and bump into Ted who reveals he has been hiding her as she is his college fling with whom he conceived Charles. then uses Emily's stolen eggs to impregnate Alison, as a way to further torture the liars. Whilst searching for Hanna, the gang sees Mary Drake enter the police station.