Our Dexter critic hasn't been thrilled with season five, but even he has to admit that the latest installment of this Showtime hit has laid an exciting groundwork for what's to come over the next few episodes.

How will Quinn deal with Liddy? Who is Emily Birch? Can Dexter and Lumen get to Jordan Chase before he gets to them?

We'll move a step closer to answering these questions on Sunday's "In the Beginning." Check out a few scenes from that episode via the official preview posted here:

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