Pretty Little Liars: Original Sin: Release date, cast, synopsis, trailer & more

‘Pretty Little Liars: Original Sin’ is an upcoming mystery drama series about a group of girls known as Little Liars who are persecuted by an unidentified assailant.

Release date

The first three episodes of the ten-episode series ‘Pretty Little Liars: Original Sin’ is set to premiere on July 28 on HBO Max. The next two episodes will air on August 4 and 11, while the last three will air on August 18.

Cast and creators

  • Bailee Madison
  • Malia Pyles
  • Maia Reficco
  • Chandler Kinney
  • Zaria
  • Alex Aiono
  • Mallory Bechtel
  • Eric Johnson

Directed by Lisa Soper

Written by Roberto Aguirre-Sacasa and Lindsay Calhoon Bring


“Twenty years ago, a series of tragic events almost ripped the blue-collar town of Millwood apart. Now, in present day, a disparate group of teen girls — a brand-new set of Little Liars — find themselves tormented by an unknown Assailant and made to pay for the secret sin committed by their parents two decades ago…as well as their own.

“In the dark, coming-of-age, horror-tinged drama Original Sin, we find ourselves miles away from Rosewood, but within the existing Pretty Little Liars universe — in a brand-new town, with a new generation of Little Liars.”

Other details

‘Pretty Little Liars: Original Sin’ is a follow-up to the well-known “Pretty Little Liars” teen drama from 2010 on ABC Family which was based on Sara Shepard’s book series of the same name.


In the town of Millwood, the popular girl dies under mysterious circumstances. A strange, evil observer going by the name “A” tries to persuade the little liars one by one. Imogen, Minnie, Noa, Tabby, and Faran are the leads who find out that their moms were friends in high school in 1999 and had a similar situation.

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