Piro Manoa, a local troublemaker, is working to paint the Five-O as corrupt, and Duke finds himself implicated in a murder. McGarrett and his team, bolstered by their newest member, Ben Kokua, must clear Duke's name and uncover the conspira…

The deaths of two members of the egotistical racer’s team cast a pall of suspicion over his glamorous girlfriend. Whispers of sabotage quickly arose, all eyes turning to her.

Sam Tolliver, a private investigator, journeyed from Texas to aid a friend ensnared by blackmail. His friend faced a grim ultimatum: pay the demanded sum or face death. Yet, as Tolliver delved deeper into the case, a disquieting desire bega…

In a regrettable incident, Danno fired upon a teenager who appeared to be armed, only to discover a fatal error in judgment. The resulting fallout saw public sentiment and the young man's brother turn sharply against the officer. McGarrett …

Suspicion falls on Wo Fat in connection with the theft of a mobile ICBM. McGarrett, alongside other high-ranking officials, must prevent him from auctioning the weapon to the highest bidder.

Jack Gulley, an army computer technician, orchestrated a daring abduction: he seized a scientist and then exploited a prearranged heist of a military base. The plan was meticulously designed to draw the attention of the police, allowing Gul…

The murder of a physician specializing in venereal diseases sets in motion a grim investigation for the Five-O. Detective teams must trace the doctor's recent contacts, seeking to identify a potential carrier. The case gains urgent weight w…

Danno was discovered in the back of a truck, disoriented and struggling to recall events. McGarrett and the team found themselves tasked with helping him reconstruct the circumstances that led to his predicament.

The shadow of the Vashon crime family fell upon McGarrett when their youngest member, Chris, was implicated in a brazen hotel heist. Drawn into the heart of the organization, McGarrett found himself entangled in a dangerous web of power and…

Commander McGarrett finds himself facing Honore Vashon, a man consumed by a desire for retribution following the loss of his son.

Dominick Vashon, the clan's head, initiates his effort to dismantle McGarrett and Five-O.

McGarrett's apprehension of a band of nationalist vigilantes unveils a more sinister threat: concealed explosives within the courthouse jeopardize the fragile peace of the islands.

A married couple, skilled in deception, found themselves caught in a dangerous crosscurrent between the islands' most formidable criminal organizations.

Gar and Nina lived a life adrift, bound together by a desperate ambition. Their means to achieve it were cruel: they stole children, selling them to an adoption agency on the mainland. Each transaction was a step closer to their goal – a bo…

McGarrett conceded to Toni's request: a marriage and honeymoon, conducted under protective custody, provided she agreed to testify against a prominent local criminal.

A man consumed by obsession with technology endangers the lives of a psychiatrist and his patients, weaponizing electronic devices and intricate gadgets against them.

The detectives had a suspect in the murder, but a perplexing detail remained. It was impossible to reconcile the evidence with the suspect's claimed whereabouts – how could he have possibly been in two places simultaneously?

The seasoned partner at the brokerage firm conceived a plan, meticulously crafted to rob the Honolulu Stock Exchange. It was, he believed, an endeavor without a single flaw.

To safeguard a Russian defector, McGarrett and his team must navigate a complex web of deceit. They are compelled to unravel a tangled network of lies before the defector's life is lost.

A pair of unsophisticated criminals abduct a young girl, seeking refuge in a hidden bunker within Diamond Head. Captain McGarrett is tasked with discerning their motives and ensuring the girl's safe return.

The travel agent who specialized in excursions to casinos was murdered, a grim message intended to deter rivals. It was a stark declaration from the syndicates: competition would not be tolerated.

Chin Ho could no longer avoid the truth: his daughter, Alia, was deeply in love with the son of a man currently under scrutiny by the authorities, and she intended to marry him.

The theft at the prominent island family’s residence ignited a chain of occurrences, ultimately culminating in a fatal act.

In the midst of a Five-O trial, one individual is deliberately obstructing the proceedings. McGarrett and his team must uncover the identity of this person and determine the motivation behind their resistance.