The episode ends with Dexter looking at a slide of blood under a microscope — and smiling. Not a grin of madness, but of .
Dexter watches Harry excuse himself and walk toward his office. Harry catches Dexter’s eye. There is a look there. A warning. A silent instruction passed between father and son without a word being spoken. Dexter.Original.Sin.S01E01.Dexter.Original.Sin.And.in.the
The hunger flares in his eyes.