A hurricane battering the islands isn't enough to stop Robin Masters's spring equinox party, a lavish event attended by a close circle of friends, but the arrival of an about-to-give birth young woman and two ex-cons intent on grand larceny does. Further complicating matters is Robin's assertion that one of his guests is plotting to kill him that evening, and Thomas's plans to trap the culprit with the help of Rick and T.C. have been foiled by both the weather and the intruders.

After a high stakes game of poker against high-flying men's magazine publisher Buzz Benoit, Robin Masters wagers use of his Hawaiian Estate for a year, to be decided in a softball game between the King Kamehameha Club softball team and a team assembled by Buzz. Higgins, upon learning that Buzz intends to use him as a butler, plans to leave the Estate if the King Kamehameha team loose, but Magnum is less worried, looking forward to a luxurious year on the Estate surrounded by Buzz's beautiful glamour models - until he learns that as a result of Buzz's planned changes, there will be no place for him on the Estate either. Meanwhile, Magnum is working for one of the members of the softball team, trying to find her missing ex-husband who owes her alimony money, but things look gloomy for Higgins and Magnum's future on the Estate when they find that ruthless Buzz has hired a professional team of players. But it looks as if Magnum's team may have a glimmer of hope when it turns out that t

Robin and Higgins simultaneously ask Thomas to do some investigative work, so Thomas calls on Luther to nail the man who's blackmailing Higgins over information that could have repercussions for him and an old flame in the House of Commons, while Thomas goes undercover to investigate embezzlement in a bank owned by Robin's friend.