Blue — Bloods - Season 13

: Frank's grandson, Joe Hill, appears more frequently this season, often clashing with family protocol while working on joint task forces with the FBI.

: 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. Blue Bloods - Season 13

: Following her adoption of a baby girl in the previous season, Detective Maria Baez balances the demands of motherhood with her high-stakes investigative work alongside Danny. Notable Episodes : Frank's grandson, Joe Hill, appears more frequently

: The season finale brings back several recurring characters and resolves key tensions from the DA race. Frank Reagan Tom Selleck NYPD Police Commissioner Danny Reagan Donnie Wahlberg NYPD Detective Erin Reagan Bridget Moynahan Assistant District Attorney Jamie Reagan Will Estes Field Intelligence Sergeant Henry Reagan Len Cariou Retired Police Commissioner Eddie Janko-Reagan Vanessa Ray NYPD Officer Maria Baez Marisa Ramirez NYPD Detective 13×13 Past History – Thoughts on Jamko : Following her adoption of a baby girl

: 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.

: The season opener features Jamie being shot during a domestic violence case, bringing the family together at the hospital.

: Features the return of guest star Tom Cavanagh as Mickey Patrick, Danny’s childhood friend.