Bailey, Arizona and Jo go to a maximum security women’s prison to treat a violent, 16-year-old pregnant girl and her unborn baby.

After Alison is confronted with a sudden, mysterious jeopardy, the Liars decide to take things into their own hands for a counterattack. Hanna and Caleb work together to develop a…

As the girls are forced to stay in Rosewood, questions about the new mystery surface. A restless Aria starts to look suspicious as she heads back to Boston a little…