Magnum is hired by a beautiful Chinese antiques dealer that he's making a play for to protect a precious ancient vase—The Soul of Sung—until its buyer arrives in Hawaii to collect it. But unbeknownst to him, the priceless ornament is wanted by a Tong gang from the girl's home country, and a deadly martial arts assassin who can kill in the blink of an eye is hot on the trail.

When a beautiful model-actress is killed by a shotgun blast in a scenario closely resembling a scene from the script of an upcoming film, it is seemingly suicide. Magnum is hired by her former producer and lover to investigate any other men that she may have been seeing before her death.

Magnum is hired by a Supreme Court nominee to find the woman he married on the eve of the raid on Pearl Harbor.

T.C. makes a late-night flight to land on a tanker, but on the journey back he is cornered and arrested by the Coast Guard for transporting drugs. Magnum and Rick are certain of their friend's innocence, but are shocked when he intends to accept the charges and refuses their help.

Magnum tries to impress a beautiful 'fan' of Robin's by showing her the Robin Masters estate, only to learn that she is actually a top security expert hired by Robin to test the estate's security.

Part 1 of 2. A tragic event which he believed had been successfully relegated to the far corners of his mind, resurfaces and explodes with jolting clarity for Magnum, when he briefly sees a girl he is convinced is his wife, reported dead in the ruins of Saigon.

Magnum is caught in the crossfire of international politics and terrorism when a news correspondent and an assassin, a master of disguises, arrive in Honolulu.

When Magnum flies to Sicily, at the request of Robin Masters, to rescue a beautiful damsel in distress, he proves that chivalry is alive and well.

Magnum and TC put their lives on the line to protect an old Navy buddy who firmly believes the trio are marked for death from an enemy dating back to the Vietnam war.

Higgins is on the hit list of African Mau-Mau warriors who are seeking bloody revenge on all ex-British soldiers in Higgins' old regiment.

Conned by an old friend, Magnum and TC agree to deliver a set of encyclopedias, not knowing that the knowledge contained within is a large marijuana drop.

Higgins' half brother, an Irish Catholic priest from Northern Ireland, arrives in Hawaii to confront a British officer who he claims stole an ancient artifact from his church.

Magnum is caught in a treacherous current when his surf ski is capsized miles from shore with near disastrous results.

Magnum is caught between danger and intrigue as a frightened lady, who believes her life is in danger, involves him in a bizarre situation.

Magnum finds himself torn between twin sisters as his involvement with one brings him into conflict with the other.

Magnum seems to be lost between reality and fantasy, past and present, when he is convinced that he has seen an old friend, Mac, very much alive, walking the streets of Honolulu.