Anthony works with Danny, much to Danny's dismay, to solve the murder of a witness in Danny's case. Meanwhile, Robert Lewis seeks Frank's public support of an investigation by the Attorney General and Jamie responds to an attempted-suicide call.moreless
In the Season 6 finale, public outrage erupts when a cop isn't indicted for shooting a teenager, and the fallout affects Frank, the mayor and Erin's office. Later, an officer gets shot in a possible case of retaliation, so Danny searches for the shooter.moreless
Joe manages to take three hostages and demands that Ryan visit him before his hostage. Meanwhile, Theo recruits an ally and attempts to solve Strauss' encryption.
Frank and Danny go after the distributor of a deadly new brand of heroin.