Pretty Little Liars: Original Sin

In 1999, a group of friends is rocked by the sudden death of one of their own. Twenty-two years later, their daughters are pushed together by a mysterious foe.

After receiving a series of increasingly disturbing texts, Imogen and her newly-formed friend group – Tabby, Faran, Noa, and Mouse – plot to end Karen’s reign of terror. Later, Imogen finds herself in an unexpected position just in time for the Spirit Week dance, while Karen and her twin sister Kelly hatch a payback plan of their own.

In the wake of Spirit Week’s deadly aftermath, Imogen attempts to connect the dots between her former BFF, her deceased mother, and the mysterious “A.” Then, as Sheriff Beasley closes in, the fate of the friend group hangs in the balance.

After their punishment comes to an end, the girls cement their friendship when Imogen needs them most. Meanwhile, Noa finds herself in A's crosshairs.

Desperate to keep her mother's house, Imogen throws a Halloween party to raise cash – but the presence of an unwanted guest casts a shadow over the celebrations.

Imogen and Tabby dig into the Angela Waters mystery, and Faran deals with her past. Noa questions her relationship with her mother, while Mouse spots a familiar face.

As the carnival approaches, Mouse and Tabby struggle with secrets, and Shawn isn't himself. Meanwhile, Imogen considers her baby's future, and Faran confronts what's plaguing her.

The friends work together to uncover Imogen and Tabby's assailant during the Annual Thanksgiving Millwood High Blood Drive. Later, Sidney confronts Tabby about her secrets.

Despite coming clean about "A," the friends find their troubles aren't over — especially as the results of the group's clandestine blood drive push Tabby towards a new suspect.

As "A" doubles down, the friends must work quickly to uncover the link between Angela Waters' death, their mothers, and their mysterious foe… before it's too late.