Much to his own surprise, an emergency with Harrison has Dexter leaning on Brother Sam for support as he questions the idea of faith. But when Dexter is confronted with Gellar and Travis' next awful tableau, he is forced to ask if faith, in the wrong hands, is deadly. With proof of a religiously motivated killer, Homicide hunts for a zealot, with Debra giving her first official Press Conference. As Homicide narrows in on a suspect, a winged messenger has an unexpected revelation for Dexter.
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