The island of O'ahu goes on lockdown when Five-0 hunts a terrorist who starts using weaponized drones on civilians. Meanwhile, McGarrett and Danno must go for a mandated review with a psychologist, resulting in a session which looks a lot like couples therapy.
As Thanksgiving approaches, Five-0 investigates the murder of a secret service agent just as the President travels to Oahu. Also, McGarrett's Aunt Deb visits, bringing with her a shocking secret. Carol Burnett guest stars.
Max and his crush get put in harm's way when a botched bank robbery leads the team to determine that the criminals had very unexpected motives. Meanwhile, Danny is stuck with the tough task of coming to the rescue of the most beautiful women in the world when a stalker goes after a Victoria's Secret model. Victoria's Secret Model Behati Prinsloo, Rumer Willis and C. Thomas Howell guest star.
A Five-0 murder investigation leads the team to help a Texas Ranger who comes to the island to find his missing daughter. Meanwhile, Kono and Adam fight to stay alive when their hidden location is discovered. Tim Daly guest stars.
On the fourth anniversary of his father's death, McGarrett meets a woman who helps him reopen the last unsolved case his father worked on before his death.
