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               When Clark is relegated to desk duty, he delves into Owen�s cold case in which the murder investigation of a construction worker was compromised by the events of 9/11. Meanwhile, Deputy Mayor Holbrook pulls a gun on Clark and Margot, Agnes drives away with her father, and Owen gets his long deserved promotion.             
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         May 14 2013 | 
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               When a high-end call girl is found dead, Clark learns that his archenemy, Deputy Mayor Holbrook, was her last client. Meanwhile, Diaco struggles with the decision to put his father in a nursing home.             
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         May 07 2013 | 
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               When the family of a star basketball player who was found murdered ignites a high-profile investigation, the case unearths Clark�s feelings about his family struggles. Meanwhile, McKenzie threatens to end her partnership with Arroyo after she finds out he lied to her.             
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         Apr 30 2013 | 
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               Clark and the unit hunt for the murderer of an aspiring young model found floating in the bay. Meanwhile, Clark becomes a suspect when someone from inside the investigation leaks information about the latest case to Margot Dixon, a reporter Clark has been secretly seeing.             
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         Apr 23 2013 | 
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               While trying to track down the person responsible for killing a priest, clues lead them to Natasha, a criminal informant from a previous case, who looks good for the crime. Meanwhile, Agnes sets out to find her mother after she goes missing.             
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         Apr 16 2013 | 
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               After learning that they are both up for a promotion, Arroyo and Owen try to be the first to make a key arrest.             
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         Apr 09 2013 | 
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               McKenzie seeks justice for her family when bullets found at the scene of a subway shooting match the same gun that killed her brother several years earlier. Meanwhile, Owen has reservations about retiring in two years.             
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         Apr 02 2013 | 
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               Clark and Owen investigate the murder of a wealthy philanthropist who is also the daughter-in-law of a shipping mogul. Meanwhile, Clark�s mother asks for help with a loan shark who is harassing her.             
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         Mar 26 2013 | 
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               Owen takes the lead on a murder investigation involving the brother of his former criminal informant who was killed a few years before. Meanwhile, Clark struggles with whether or not to let his recently sober mother back into his and Agnes' life.             
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         Mar 19 2013 | 
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               When a police officer who worked with Owen and Arroyo is killed while moonlighting for a rap mogul, Clark is called to investigate. Meanwhile, Clark threatens to expose Arroyo and McKenzie's relationship.             
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         Mar 12 2013 | 
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               Clark investigates an incident in the projects that left a gangbanger dead and a teenager injured. Meanwhile, Arroyo threatens to go public with the wire tape exposing Clark giving a criminal informant confiscated money.             
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         Mar 08 2013 | 
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               To avoid being arrested, a petty thief leads Clark to a murdered, drug addicted young woman with a missing daughter. Meanwhile, Clark and Arroyo continue to butt heads.             
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         Mar 05 2013 | 
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               As Walter Clark Jr. is interviewed about his career, he reflects on his journey from homicide detective to the NYPD's youngest police commissioner.             
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         Feb 26 2013 |