The BAU searches Tallahassee for a serial killer who calls the authorities to report the crimes prior to committing murder.
Ducky is attacked by a man who claims to have information about his half-brother, who died decades earlier; Jake and Bishop talk about their future.
Scarlett struggles when Jeff Fordham wants his new artists to cultivate hot, sexy personas; Rayna wants to obtain the rights to her music.
Juliette decides not to apologize for her behaviour during her Grand Ole Opry ceremony.
McGarrett and Lynn's date on a deserted island turns deadly when a mob boss gets involved; a gambler abducts a high-school football star's father in hopes of forcing the athlete to throw a game.