Magnum is on the sea-front, watching the approaching storms brought on by the Kona Winds, when he sees a woman either slip or jump into the turbulent waters. After rescuing her, he takes her back to the estate, where she tells him that the previous night, she witnessed her husband - owner of a reel-estate empire - murder his business partner, and now fears that he'll kill her too. As Thomas investigates her husband, he begins to fall in love with the woman, but as he observes, the Kona Winds make people behave in uncharacteristic ways, and the whole situation spells big trouble and danger for him...

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 Thomas and Higgins find that Apollo has been shot and seriously wounded after thieves attempted to steal the artefact from the Estate. Expecting the would-be robbers to try again during the cruise, Thomas secures Rick and T.C.'s additional help in guarding the artefact, but they find themselves on-board with a ship load of suspects, all potential thieves of the Amakua...

While Rick is planning a surprise birthday bash at the Club for Ice Pick, Carol asks Thomas to observe a court case she is presenting before Judge Kearns, who drops the case on a simple technicality. She considers the Judge to be her mentor, but is concerned that of late he has been acting uncharacteristically, and suspects him of taking bribes to dismiss cases. She asks Thomas to help her hopefully disprove her worries. But the investigation sees turns up evidence that implicates Ice Pick, who in turn faces having to implicate the woman he was in love with decades earlier, who is now involved with a crime ring. Carol, Rick and Ice Pick must all face up to the weaknesses and mortality of their mentors and idolised ones...