The new murder mystery was explored in depth on Pretty Little Liars Season 6 Episode 12.
Scroll down for a quick look at what took place on the latest installment:
Aria began to look mighty suspicious as she immediately headed back to Boston this week, though most viewers still find it hard to believe she could take a life.
Meanwhile, Emily continued to lie about her life in California; and the young women all found themselves in some scary, familiar territory.
Finally, Alison kept a very close eye on her friends.
How did these storylines play out in the end? How did the drama leave us hanging off a cliff?
Use the above video to watch Pretty Little Liars online and find out now!