Magnum's Private Investigator license has expired, and he is in the awkward, red-tape laden task of trying to renew it. But he has a welcome surprise when his Aunt, best-selling, Pulitzer prize-winning playwright Phoebe Sullivan, pays an unexpected visit to Hawaii from New York. The rather eccentric authoress has just finished writing a new play, but now is convinced that someone is trying to kill her for it, and that they have trailed her to the Islands. Is someone really after Phoebe, or is her mind getting the better of her?...