The first season of Blue Bloods follows New York City Police Commissioner Frank Reagan (Tom Selleck) as he contends with the blurred lines between his family and personal life. With nearly all of his brood dedicated to law enforcement, the Reagan patriarch is either making waves himself, or attempting to calm those made by his family. Stars Donnie Wahlberg, Bridget Moynahan, Will Estes, and Len Cariou.