Rick Brant and his pal, Scotty, are plunged into danger and excitement when they encounter the cutthroat pirates of Shan in the heart of the Pacific tropics. During an expedition to locate two missing scientists, Rick, the son of a famous scientist and youngest member of the Spindrift Scientific Foundation, finds that piracy exists in a new and modem form. How he and his friends rescue the lost scientists and help to eradicate organized piracy in the Sulu Sea through the use of modern electronics makes one of the most thrilling adventures in the Rick Brant series.