Pretty Little Liars Original Sin Ending Explained: Who Is the Mysterious ‘A’? What Happens to the Liars?

The Pretty Little Liars Original Sin has finally come to an end for now and the ending has been quite unexpected and intriguing. Developed by Roberto Aguirre-Sacasa and Lindsay Calhoon Bring (the creator of Riverdale and The Chilling Adventures of Sabrina), the series is produced by Muckle Man Productions, Alloy Entertainment and Warner Bros.

The fourth instalment and a reboot in the Pretty Little Liars franchise based on Sara Shepard’s novel series of the same name, the show stars an ensemble cast. It features Chandler Kinney as Tabby Hayworth, Maia Reficco as Noa Olivar, Bailee Madison as Imogen Adams, Zaria as Faran Bryant, Malia Pyles as Mouse Honrada, Alex Aiono as Shawn, Mallory Bechtel as twins Karen & Kelly Beasley and, Eric Johnson as Sheriff Beasley.

The final episode of Pretty Little Liars Original Sin gave us quite a few revelations that we will go through in this article one by one. So, in case, you haven’t watched the final three episodes yet, steer clear of this article and, if you have, dive right in!

Also Read: Pretty Little Liars Original Sin Finale Review: Unmasking the Villian and Some Shocking Twists

Pretty Little Liars Original Sin Ending Explained

The mystery behind Angela Waters and the mothers has been a huge focus of the series. In the final episode of Pretty Little Liars Original Sin, we get to know how the mothers bullied and treated Angela in school and how they are connected and why their daughters are getting targeted.

When we take a jump back to 1999, we get to see how Angela was bullied and mistreated by Imogen’s mother, Davie, and her friends. It is revealed that during that time Angela was raped by Tom Beasley, who was dating Davie during that time. Davie did not accept the accusations and instead made sure along with her friends that Angela’s life becomes a living hell by making her invisible in school, bullying her, and making a breakup happen between Mouse’s mother, Elodie and her and more. Thus, the YK2 becomes the brink where Angela snaps and, she ends up killing herself in the most horrific manner.

So, after Angela’s death, who becomes the ‘A’ in the new Liars’ life that threatens them? Ahead of the revelation of the identity of our mystery killer, the girls’ mothers are kidnapped and they are tasked with some unthinkable, horrific and hurtful tasks. However, the inherent goodness in them saves them and they are able to unmask A, who turns out to be the Millwood High Principal Marshall Clanton.

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Taking another jump into the past, we get to know how Clanton and Angela’s mother, Rose, were together and had twins, who weren’t aware of until one of them came to Milwood High School. However, when he realized Angela was his daughter and he witnessed her mistreatment, he couldn’t do much. But, he was determined to exact revenge. Thus, he articulated the plan.

But, it was Archie, Angela’s twin brother and Clanton’s son who turns out to be the Miles Myer of this story. The guy under the mask is the brother with a deformity, with a face only a mother can love and thus, his identity has been always kept a secret. But, she also mistreated and abused him all the while he was back at home, creating him to be what he is today.

After all the revelations there are some tough calls. Clanton is downright arrested but, he sends Archie after Imogen and her baby. Imogen fights off her killer while in labour and injures him. Meanwhile, Sheriff Beasley gets shot by Martha, his wife, when Kelly spills the truth about Angela Waters and the Sheriff threatens to kill her. Imogen’s baby is put for adoption and is taken up by, surprise! surprise!, Aria and Ezra! The assault Imogen and Tabby faced turns out to be from Chip.

But, once the girls put everything behind them and decide to live a fresh and better life, misery strikes again. At the end of Pretty Little Liars Original Sin, we see Archie recovered at a hospital. He ends up killing Sheriff Beasley for his crimes and kills Chip too for the assault he has done.

Pretty Little Liars Original Sin Trailer

You can watch the Pretty Little Liars Original Sin now on HBO Max.

Also Read: Tim Dillion A Real Hero Review: The Bitter Kinda Funny

Manjima Das
Manjima Das
Manjima Das has a writing experience of over 3 years, covering entertainment, fashion, lifestyle as well as community work. She has majored in Psychology with secondary specialization in gender studies and literature.

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