: Features the return of guest star Tom Cavanagh as Mickey Patrick, Danny’s childhood friend.
: Jamie transfers to a new role as a Field Intelligence Sergeant . This position often requires him to keep secrets, even from his wife Eddie and the rest of the family, leading to personal and professional friction.
: Frank's grandson, Joe Hill, appears more frequently this season, often clashing with family protocol while working on joint task forces with the FBI.
: The season opener features Jamie being shot during a domestic violence case, bringing the family together at the hospital.
: A major arc throughout the season is Erin Reagan's run for Manhattan District Attorney. This creates tension with Frank, who refuses to publicly endorse her to maintain his professional neutrality, causing a rift at the family dinner table.
