etective Casey Shraeger is a New York City vice cop who gets transfered into the homicide branch of the 2nd Unit, which is a "special unit" of detectives investigating crime and corruption in the city after one of the 2nd Unit detectives is found murdered. She is called in as his replacement to find out if the late detective was dirty. Casey begins to find out some interesting facts about her new co-workers, one of whom includes Det. Walsh, whose partner was the victim.

Résumé de IMDb.com