“The Craigslist Killer” follows the dark and mysterious life Philip Markoff (Jake McDorman) while preparing for a promising future as a doctor and a happy life with his fiancee, Megan McAllister (Agnes Bruckner). Nobody would believe that the most brilliant student at Boston University as a criminal. I know that only he and his victims.
His first victim is a masseuse who present their offer through Craigslist website popular. When the police find it was a high number of casualties that are related to this site investigations lead them to Philip.