McGarrett investigates the murder of one of the last survivors of the USS Arizona and learns about his grandfather's important role at Pearl Harbor. Meanwhile, Adam uncovers bone fragments at his new construction job and asks Jerry to help him discover the truth of what happened.moreless
A woman without a uterus goes to Addison and Jake for help having a baby. Amelia, who seems to have her life back in control, treats a patient with Parkinson's who can't seem to stay faithful to her husband. Violet finds attending a mommy group isn't helpful with coping to be a stay-at-home mom.moreless
An "Officer Down" call turns out to be a male stripper dressed like a cop. Castle and Beckett explore the world of male strip clubs and struggling actors, all people in pursuit of fame. They need to determine if the murder was because of the victim's dreams of stardom or something more sinister.moreless
In the conclusion of last season's cliffhanger, the BAU pursues Billy Flynn, who has kidnapped Det. Spicer's daughter and continues his murder spree throughout the city of Los Angeles.