The Reagan family dynamics continue to shift as they deal with everything from gambling and drugs to kidnapping and murder: Jamie (Will Estes) wrestles with his feelings for his new partner; Erin (Bridget Moynahan) and Jack (Peter Hermann) work to figure out their personal relationship; and Danny (Donnie Wahlberg) and Frank (Tom Selleck) clash over an internal investigation of Danny's techniques. As the Reagans faces off against the FBI, the mob, and other officers who don't follow their ethical code, the family bond will both serve and protect them.

Originally broadcast on television by CBS during the 2013-2014 television season. Special features: The story of the Reagans: season 4; Growing up Reagan: spotlight on Sami Gayle; The make it there: Blue Bloods on locations; Partner profiles: Baez & Janko; Audio commentary on select episodes; Gag reel; Deleted scenes on select episodes.

Disc 1.Unwritten rules ; The city that never sleeps ; To protect and serve ; The truth about lying -- Disc 2. Lost and found ; Growing boys ; Drawing dead ; Justice served -- Disc 3. Bad blood ; Mistaken identity ; Ties that bind ; The bogeyman -- Disc 4. Unfinished business ; Manhattan Queens ; Open secrets ; Insult to injury -- Disc 5. Knockout game ; Righting wrongs ; Secret arrangements ; Custody battle -- Disc 6. Above and beyond ; Exiles.