Okay. So it appears that Marlene King got the memo about viewers of Ravenswood being incredibly lost when it came to the whole pact storyline.
Ravenswood Season 1 Episode 6 clarified almost everything! With Caleb at the helm, we finally came to understand the danger these four teens are facing and why.
For the rest of you uber confused fans, and I'm betting there's a lot of you, let's just run it down real quick:
Elder residents of the town over a century ago made a pact so that every soldier who went off to war from Ravenswood would come back alive. However, they did this by sacrificing the lives of five town teenagers.