Ka Hana Malu (Inside Job) – Five-0 investigates a couple’s murder in which the victims’ sons are the prime suspects. Meanwhile, McGarrett is shocked when Aunt Deb returns to the island with her new fiancé.
Ho’Oma’ike (Unmasked) – Five-0 search for a serial killer who is copying murders depicted in a cult slasher film. Meanwhile, Jerry is kidnapped by the counterfeiters he has been tracking.
Ho’oilina (Legacy) – On the fourth anniversary of his father’s death, McGarrett meets a woman who helps him reopen the last unsolved case his dad worked on before he died.
Ka Noe’au (The Painter) – When a Detroit hit man is taken out by one of his colleagues on the streets of Oahu, Five-0 is shocked to learn the killer’s surprising motives. Meanwhile, Chin puts his career on the line to help Danny get the money he needs to save his bother’s life.
Kanalu Hope Loa (The Last Break) – Three young women rob a tour bus, but things go horribly wrong when a man is killed and the women unknowingly steal something of great value that puts their lives in danger.
Ka Makuakane (Family Man) – The young daughter of a Navy SEAL, who is currently on a top-secret mission, is kidnapped. Meanwhile, Danny’s brother is taken captive, and Danny must locate $18.5 million in order to free him.
A’Ohe Kahi e Pe’e Ai (Nowhere to Hide) – Season 5 begins with the island of O’ahu being put on lockdown when Five-0 hunts a terrorist who is using weaponized drones on civilians. Meanwhile, Steve and Danny attend a mandated review with a psychologist that looks like couples therapy.
O Ka Pilo ‘Ohana Ka ‘Oi (Family Comes First) – Season 4 ends with Grover’s daughter being kidnapped by an old nemesis. The situation forces Grover to help steal $100 million in order to get her back. Meanwhile, Wo Fat escapes from prison and heads back to Oahu.
Makani ‘Olu A Holo Malie (Fair Winds and Following Seas) – McGarrett and Catherine travel to Afghanistan to stop the Taliban from harming a boy whose family saved Catherine’s life years earlier.