When the Agency learns that someone has in their possession anthrax, they try to find out who and how they plan to use it. They think they found the man, a man named Zimm ...

Frankie and Mike decide to stop nagging and punishing the kids and let them begin taking responsibility for themselves. ...

Mona returns to Rosewood in a very fragile state, and Hanna is determined to help her; Emily tries to help Sara; Spencer finds help from someone from her past. ...