"About a Boy," the fifth episode of Homeland Season 4, centers on Carrie's manipulative recruitment of Aayan and the abduction of Saul Berenson by the ISI in Islamabad. The episode, rated highly for its tense narrative, also features Professor Boyd, under blackmail, compromising Carrie’s personal safety. Read the full summary of the episode at The Guardian . TV Recap: Homeland, Season 4, Episode 5 “About a Boy”