Are you new to Pretty Little Liars? Or do you just want a refresher course on all the drama that's happened in Rosewood? Here you’ll find everything you need to know about Aria Montgomery before the show returns on Monday, January 3 at 8/7c!

During the very first episode, Aria returned to Rosewood after being away with her family for an entire year. When she left, her friend Alison had just gone missing. Watch this to find out what was going on in Aria’s head when she first returned. She talks to her mom about Alison, reconnecting with Hanna, Spencer and Emily – and we find out her dad has a secret. Don’t worry, we’ll get to that later!

And to know even more about Aria, check out what Lucy Hale has to say about her character here. 

**To know everything about Pretty Little Liars, check out these galleries, too: 

Emily's 101

Spencer's 101

Hanna's 101