Blue Bloods Wiki
Blue Bloods Wiki

"Mercy" is the first episode of the second season of Blue Bloods.


 Soon after the new Mayor is elected one of his supporters, and one of Erin's friends' husband, is murdered in a seedy part of town. Danny and Jackie investigate and as things start to point towards extramarital activities, the new Mayor, Carter Poole, pressures Frank to spin the incident as a random act of violence to avoid a scandal. 

Erin has to try to find a way to get the killer without actually charging him with the murder when her friend doesn't want her husband's activities known to the world.  

Jamie and several other young officers are sent undercover to bars in an underage alcohol sting that turns into more.


Detailed recap of the episode that contains MAJOR SPOILERS.
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Cast & Characters

Special Guest Stars

Guest Starring

  • Kelli O'Hara as Lisa
  • Steve Cirbus as Kiril
  • Eric Morris as Noble Sanfino
  • Valentina De Angelis as Nikolina
  • Kurt McKinney as Agent Stark
  • Billy Griffith as Darrell


  • Bob Gaynor as Cole Farragut
  • Marvina Vinique as Barbara Stroman
  • Andhy Mendez as Billy Atwater
  • Happy Anderson as Bartender
  • Cassidy Gifford as Mandy
  • Katie Henney as Kate
  • Grant Rosenmeyer as Brian
  • James Hosey as Boy
  • Edward Furs as Super
  • Mike Houston as Uniformed Cop
  • Susana Perez as Hooker


Notes & Trivia


To edit this gallery, go to Mercy/Gallery.
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Season 2 Episodes
"Mercy" "Friendly Fire" "Critical Condition" "Innocence" "A Night on the Town" "Black and Blue" "Lonely Hearts Club" "Thanksgiving" "Moonlighting" "Whistle Blower" "The Uniform" "The Job" "Leap of Faith" "Parenthood" "The Life We Chose" "Women with Guns" "Reagan Vs. Reagan" "No Questions Asked" "Some Kind of Hero" "Working Girls" "Collateral Damage" "Mother's Day"