Pretty Little Liars (2010)

Episode Overview

When Alison finds herself in a precarious situation that appears out of nowhere, the Liars resolve to take matters into their own hands. Hanna and Caleb collaborate to devise a strategy to confront their tormentor directly. Meanwhile, Emily and Spencer investigate whether Mona played a role in the murder. Aria and Ezra press on with their book project, though they face more challenges than they expected. In a separate twist, Alison faces an unexpected visitor that complicates her situation further.