Deputy Police Chief Brenda Johnson runs the Priority Homicide Division of the LAPD with an unorthodox style. Her innate ability to read people and obtain confessions helps her and her team solve the city's toughest, most sensitive cases.
After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle gets permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.
Alicia has been a good wife to her husband, a former state attorney. After a very humiliating sex and corruption scandal, he is behind bars. She must now provide for her family and returns to work as a litigator in a law firm.
While Stark and Raina were pleading the death sentence for multiple murderer Paul Masters, they, the judge and audience are all taken hostage when a bailiff's gun is put at his own head by Stanley Davis, who claims to be unjustly convicted. Stark convinces Davis to exchange the youngest hostages for Davis' case files and food, the team will try to give him a revision of his latest store robbery with a gun death conviction, but the detective he blames for his conviction fights for his gun, causing the judge to get wounded badly. Casey and the others soon find the robbery investigation was a shambles, it may well have been two Latinos as Davis always maintained, a street gang. Masters tries everything possible to talk Davis out of following Stark's advice. When Stark must admit the ideal witness has just been killed, Davis looses confidence in him and lets Masters take a gun... Written by