Magnum, P.I.

While Magnum and Higgins are in London setting up Robin Masters' new estate, Robin's Keep , Magnum looks into a war buddy's death, and Higgins wonders if he should visit his father.

Thomas helps Penelope to continue to investigate Geoffrey's death and learns of Higgins' reluctance to visit his father.

Goldie Morris, an old friend from his high school days, needs Magnum's help to track down a stolen dolphin, a dolphin that has been loaded with explosives!

As a Kona storm front bears down on Hawaii, Magnum rescues a woman who fears for her life after witnessing her husband murder his partner. Meanwhile, Higgins tries to defend Robin's Nest against nature's wrath.

Magnum decides to get a "real job" and takes on the challenge of being the house detective for a Waikiki hotel, but finds his boss all too Higgins-like and is tasked with apprehending an elusive thief before an upcoming jewelry convention to be held at the hotel.

Ron Pennington, a friend of T.C. and Magnum's on their basketball team, is shot dead when interrupting an armed grocery store holdup, and they discover his son is linked to the murder.

After thirteen years away, Thomas returns to Tidewater, Virginia to attend the funeral of his grandfather Everett, and reopens a long-running family feud when he suspects his stepfather of stealing and selling a missing family heirloom; a letter from Abraham Lincoln.

A supposed wealthy teenage ranch owner hires Magnum to stop a dangerous group of cattle rustlers on Hawaii's Big Island, but Magnum finds that his employer isn't quite all he seems and that the neighboring ranch owner implicated of being behind the cattle theft is a business partner of Robin Masters'.

Magnum and a group of his treasure hunting friends are held at gunpoint on a cliff top with the one million dollar prize that was the hidden object of a treasure hunt competition, organized to help promote Robin Masters' new novel by using clues from it.

Magnum is called back to service by Admiral Hawkes, who has reason to suspect that there is a security leak at his base that is leaking coded information, and Magnum's prime suspect is the fiancee of the Admiral's son.

As he and T.C. deep sea scuba dive, Magnum sees a young boy who appears out of nowhere with no breathing apparatus and signals him to follow. Determined to prove that the boy was real, he learns that his vision matches the description of a young boy killed five years earlier in an explosion at sea.

An old comrade of Higgins' brings his Inky Gilbert Traveling Carnival & Midway to Hawaii. But when one of the performers is fatally stabbed, Higgins asks Magnum to investigate. Working undercover as a carny, aided by Rick, Magnum learns that even before the killing, the carnival had been experiencing a string of "accidents", and must pinpoint exactly who is trying to force the show out of business.

After being expelled from a number of expensive schools, R.J., Robin Masters rich, careless, teenage nephew, arrives at the Estate to be reformed and educated by Higgins. R.J., however, has other ideas and decides to impersonate Thomas after being impressed by his adventures. Hired by a woman to find the only witness to her husband's murder, R.J. manages to get Thomas and everyone else involved in the case targeted for death by the men who killed the woman's husband.

Magnum is more than a little taken aback when Higgins suddenly leaves his position on the Estate, after seemingly being found out by Robin Masters for stealing large amounts of money and valuable art objects. As Higgins' replacement, a rather dizzy actress, arrives to take his place on the Estate, Magnum investigates the mystery surrounding his abrupt departure.

Magnum is to spend a week aboard a luxury cruise ship guarding an Amakua, a valuable wooden Hawaiian statuette recently purchased by Robin Masters, to be displayed on the liner while en route to the Hilo Museum. But Magnum and Higgins find that Apollo has been shot and seriously wounded after thieves attempted to steal the artifact from the Estate. Expecting the would-be robbers to try again during the cruise, Magnum secures Rick and T.C.'s additional help in guarding the artifact, but they find themselves on-board with a shipload of suspects, all potential thieves of the Amakua.

When Rick's boat returns from a cruise deserted, Magnum searches for the answers to what has happened to his friend and the passengers on board, who are all presumed dead. His hunt is somewhat hampered by the separate investigation of a police detective who models himself on John Wayne, but as they both try to get to the bottom of the strange disappearance of the boat's passengers, they stumble upon a plot involving mobsters and two million dollars in counterfeit money.

Magnum is hired by meek insurance salesman Dan Wolf to locate his father, who he has not seen for thirty years. But unawares to Magnum, the client is actually an impostor hit man who is using Magnum to help locate his victim, wealthy businessman Theo Wolf, whom he plans to kill to make a name for himself. In the hit, Magnum, too, is shot, bringing him close to death. Despite his wounds, Magnum becomes hell-bent on going after the hit man to claim revenge for the dead man's widowed wife and son, and for himself.

Lydia McCarthy, a wealthy young woman, hires Thomas to find her family's former chauffeur, claiming that he stole some jewelry from her. Thomas finds the man, who insists that Lydia is obsessed with him. As Thomas investigates further, the case leads him to a black market operation dealing in kidnapped babies.

Higgins is preparing for a prestigious chess tournament, and the arrival of an important visiting dignitary, the President of Costa Del Rosa, who will be attending it. There have been threats made on the President's life, and Magnum is asked to apprehend those responsible. But both Magnum and Higgins have even more to contend with when yet another of Higgins' illegitimate half-brothers, the flamboyant Don Luis Mongueo, the last of the royal line of Costa Del Rosa, makes an appearance on the scene. But with the plots to assassinate the President, Don Luis emerges as the prime suspect.

T.C. and Magnum are fighting the demolition of T.C.'s clubhouse for underprivileged and troubled youths, which has been ordered to be destroyed by a greedy, obnoxious local land developer. Meanwhile, Rick, on a trip away, wins the $1,000,000 jackpot in the Western States Lottery. Now a rich man, he meets a young woman who becomes his fiancee, but with his new wealth, he begins to neglect his responsibilities at the King Kamehameha Club, and gets mixed up with a couple of crooked poker players. Rick is so wrapped up in his whirlwind new life that he risks losing his job, and even more importantly, his friends, not to mention his newly acquired wealth.