Rick is organising a surf-ski competition to be held at the King Kamehameha Club (much to the disapproval of co-committee member Higgins) when a Kahuna appears a places a ""curse"" on the club and all who use it. Magnum and others are sceptical, but the native locals take such curses very seriously, and it seems there may be something in it when one of the competition competitors suddenly collapses and dies; then, amongst other incidents, fire breaks out in the kitchen; and when Rick falls ill. Thomas investigates to try and find if there is a more logical explanation behind the events, but his enquiries aren't helped by a hounding news reporter, who sees the series of strange incidents as a chance for a big news story...

With help from T.C. and Rick, Thomas is preparing a surprise construction for Higgins' upcoming birthday, when they wager a bet that a presenter on a local radio station is the same woman that was a much-loved presenter for the troops in Saigon. Thomas goes to the radio station to try and confirm whether it is indeed the same person or not and finds that she is the self same person, but now is being terrorised by malicious death threats phoned in to the station. The woman also has been searching for her lover, with whom she lost contact with 12 years ago during the war, when the man was accused of theft and disappeared, and asks Thomas' help in finally finding him...