Hanna's drinking escalates, and Aria suspects Hanna lied to her while she was drunk. Elsewhere, Emily looks for a connection between Alison and Noel; and Spencer uncovers something unexpected at her eye doctor's office.

Melissa reveals secrets to Spencer about the night Ali vanished. Meanwhile, Emily wants Ezra to help her uncover Cyrus' link to Ali; and Caleb's drinking problem has Hanna turning to Spencer and Toby for assistance.