In the season finale, Dexter's situation grows desperate when he discovers that Lumen's been set up. Despite knowing he's being baited into a trap, Dexter risks everything to save Lumen from the murderous Jordan Chase. In the Barrel Girls case, Debra lets her personal feelings lead her instincts once she concludes that vigilantes are more than just a theory. Debra closes in on Jordan after receiving a tip about his whereabouts.