It's all come down to this.

On Monday night, ABC Family will air the first season finale of Pretty Little Liars. How will the video discovery made by the girls this week come into play? What family-based dilemma will Emily be faced with?

What are the two major cliffhangers that Torrey DeVitto teased in our exclusive interview? The following quintet of sneak peeks at "For Whom the Bell Tolls" offers fans a few teases of how this exciting inaugural season will wrap up...

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.