A new reveal about Blue Bloods season 14 part 2 supports the best theory about how Frank Raegan’s (Tom Selleck) character arc will be wrapped up. Frank is considered one of Blue Bloods‘ best characters in part because the show’s premise relies on him balancing his family obligations with his duties to the NYPD rank-and-file as Commissioner of Police. There has been speculation about how his story will end since CBS announced the series’ cancelation, as it must be done in a way that makes it clear that it still preserves its legacy as a family-centered crime drama.