Mercy

Template:Episode Infobox"Mercy" is the first episode of the second season of Blue Bloods.

Synopsis

 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.

Recap 

Detailed recap of the episode that contains MAJOR SPOILERS. Expand to read.

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Cast 

In credits order

Special Guest Stars

• Tony Bennett as Himself
• Carrie Underwood as Herself

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

Co-Starring

• 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

Recurring

• Jennifer Esposito as Jackie Curatola
• Amy Carlson as Linda Reagan
• Sami Gayle as Nicky Reagan-Boyle
• Nick Turturro as Anthony Renzulli
• David Ramsey as Mayor Carter Poole
• Tony Terraciano as Jack Reagan
• Andrew Terraciano as Sean Reagan
• Abigail Hawk as Abigail Baker