 Continuing his quest to prove his dead Navy buddy, Lt Dan Cook, innocent of cocaine charges, Magnum begins his own investigation of the Hawaiian cocaine trade. With the help of TC, Rick, and Dan s sister, he delves more and more deeply into the seamy underworld of smuggling. Finally he confronts a crime lord who both he and Dan had known from their previous tours of duty in Vietnam. Magnum has to deal with this crime boss if he is to establish Dan s innocence.