my ex doesn't want to talk and Jamie Reagan are positively going to butt heads. The retired Police Commissioner and father of Frank (grandfather of Danny, Erin, Jamie, and the late Joe; great-grandfather of Nicky, Jack, and Sean). Jackie goes undercover as an escort when she and Danny observe down a serial killer who's murdering prostitutes in lodge rooms.
Danny contemplates retiring till Erin enlists him to assist her with a case involving her ex-husband, Jack (Peter Hermann). Additionally, after demanding more meaningful cases, Erin receives an unsolved theft case that proves to be not possible to crack without assist from Anthony, and Danny and Baez uncover the stunning reality behind a puzzling assault declare.
Danny and Baez examine a neighborhood bombing, but meet with stress and resistance from the group through the investigation. Frank and the 12th Precinct should deal with a disgruntled ex-police officer who's targeting these he holds responsible for his present situation.
New York Police Commissioner Frank Reagan (Selleck) leads both the police force and his brood. Also, Shelly Wayne, an acquaintance of Frank's, comes to him with a theory relating to the dying of an inmate, and Jamie and Eddie help deliver a baby. Danny's loyalty is tested when he's assigned to the case of a childhood friend, Mickey, who's below investigation for having ties to an infamous mob household.
Frank locks horns with an information-tracking firm when it refuses to unlock a terrorist's telephone that may maintain data regarding upcoming targets; Erin obtains information about an impending murder from a shady supply; a woman kidnaps a child. On the other hand, for " Blue Bloods " Season 7 episode 19, Frank was caught in a media frenzy when, throughout an event, a lady simply showed up out of nowhere and accused him of ignoring her.