Pretty Little Liars: Original Sin Show Summary, Upcoming Episodes and TV Guide

The PLLs take a final stab at their list of suspects, and through a harrowing night will discover the identity of Bloody Rose Waters once and for all.

After discovering that Kelly's church is using her former home for their disturbing 'Hell House,' Imogen springs into action, while Mouse and Ash plan a Pride pool party in protest. Later, the PLLs' plan to freak out the faithful takes a frightening turn.

Still shaken from her encounter with Bloody Rose, Mouse searches for the real Rose Waters. Meanwhile, Imogen keeps tabs on Dr. Sullivan, Tabby works on a new short, Noa takes a much-needed day off and Faran's strength is put to the ultimate test.

Haunted by increasingly disturbing hallucinations, Imogen attempts to forge a new identity outside of Millwood. As summer kicks off, Noa reconnects with an old friend, Tabby meets her movie-buff match, Faran gets a job as Millwood Community Pool's only female lifeguard, and Mouse is threatened by an unknown entity.