The death of a Naval officer, caused by a letter bomb, draws McGarrett into an investigation while he's on duty with the Navy. As he delves deeper, he unearths a conspiracy linked to a familiar adversary from his past.

McGarrett must exert every effort to thwart Wo Fat's schemes, which involve taking hostages and employing methods of psychological manipulation.

Detective McGarrett finds himself once more confronting the formidable mobster Charlie Bombay. Their journey to Honolulu is tragically cut short when the aircraft carrying them crashes deep within the island's forests.

British agent Harry Wells arrives in Hawaii in pursuit of a defector, but the situation is far more complex than it initially appears to the local police.

The detective had to locate a female courier, a witness to a murder, before the assassin could…

The collision on the highway initiated a chain of events, a descent into a meticulously planned scheme: the hijacking of a VIP jet using surface-to-air missiles.

In a bold gambit, McGarrett proposes himself as a hostage for exchange, only to find himself subjected to a trial orchestrated by Honore Vashon.

Commander McGarrett found himself challenged by Dr. Grant Ormsbee, a man of perpetually sour disposition and considerable irritation, who was harboring a suspected Chinese defector.

The world fractured for the singer the night she saw it: a brutal act committed by a man who commanded shadows and fear. Suddenly, the police had to become her shield, safeguarding her until she could offer testimony. It was a perilous task…

On the flight to Honolulu, Danno’s Aunt Clara struck up a conversation with a fellow passenger, a connection that later stirred unease within her. Initially dismissed by Dan, Steve, and the rest of the group, the man’s presence would soon t…

The vice-principal, driven by desperation, sought an unlikely alliance. He turned to his students, weaving a dangerous proposition around them, and to the submerged world of a decommissioned submarine, envisioning a clandestine route for il…

The police proved unable to stop a string of thefts targeting warehouses along the docks, and the powerful owner of those warehouses retaliated by making things difficult for McGarrett.

The mystery writer found the body in a case that had gone cold for seven years. The discovery, however, did little to illuminate the truth; instead, it stirred a fresh wave of perplexing questions.

The incident unfolded with brutal swiftness: three young men assaulted a waitress, the act a horrific violation of trust and dignity. The gravity of the crime was compounded by the identity of one of the perpetrators – a son of a prominent …

In his efforts to dismantle the illicit trade in miniature statuary from the Orient, McGarrett finds himself ensnared by the very law he upholds. An investigation reveals he possesses a collection that includes one such artifact, obtained t…

Consumed by grief and rage, a young man fractured by sorrow plotted a terrible vengeance. He acquired a deadly nerve agent, intending to unleash it upon the visiting royal family, a desperate act born from the loss of his father.

The death of an aging importer, a man with a past entangled with World War II espionage in Japan, prompts a police investigation by the city's detectives.

The straightforward murder case against the island's most powerful mob boss unravels unexpectedly, complicated by the arrival of McGarrett.

Suspicion has fallen upon a disreputable contractor and a city building inspector following the devastating fire at the newly constructed Global Trade Center in Honolulu.

The city held its breath. A flight attendant and a hang-gliding instructor, two lives extinguished, demanded answers. The detectives of Five-O were tasked with uncovering the truth behind these brutal killings.

A threat hangs over Hawaii's sugar cane industry: criminals are said to be planning the use of a specialized moth to decimate the crops, effectively destroying the livelihoods that depend upon them.

The son of a prominent Japanese businessman vanished, taken captive and confined within a submerged capsule. His fate hinged on the payment of a ransom: one and a half million dollars.

Ecologist Ben Tanaka appears to be responsible for the abduction of a prominent land developer’s wife, yet the situation is far more complex than it initially suggests, and a conspiracy slowly begins to unfold.

At the behest of the Governor, McGarrett dispatches an operative to a juvenile rehabilitation facility. The mission: to uncover the identity of the individual orchestrating the recent gold heists targeting dental supply warehouses.