All 22 episodes from the eighth season of the US drama series following a family of New York cops headed by Frank Reagan (Tom Selleck). As well as the head of the family, Frank is the New York City Police Commissioner, following in the footsteps of his father, Henry (Len Cariou). Frank's children also share his passion for law and order: Danny (Donnie Wahlberg) is an NYC detective, Erin (Bridget Moynahan) works in the District Attorney's office and Frank's youngest son Jamie (Will Estes) works undercover. In this season, Erin looks to Danny for help with a high profile case and Frank runs into trouble with the mayor. The episodes are: 'Cutting Losses', 'Ghosts of the Past', 'The Enemy of My Enemy', 'Out of the Blue', 'The Forgotten', 'Brushed Off', 'Common Ground', 'Pick Your Poison', 'Pain Killers', 'Heavy Is the Head', 'Second Chances', 'The Brave', 'Erasing History', 'School of Hard Knocks', 'Legacy', 'Tale of Two Cities', 'Close Calls', 'Friendship, Love and Loyalty', 'Risk Management', 'Your Six', 'The Devil You Know' and 'My Aim Is True'.