Pretty Little Liars: The Perfectionists: Season 1, Episode 4

1 - 4: The Ghost Sonata

Alison hunts for Taylor, thinking she may be alive and in hiding. Caitlin, Ava and Dylan realize their newfound true friendship is threatened by still-buried secrets and debate coming clean to each other. And the Perfectionists try to tighten a noose around their number one suspect.