Jack, Billy, Betty, and uncle Jim are on the Spindrift and a storm rages as they sail towards their goal in the Sulu Sea.Uncle Jim issues the orders, and it’ll take careful seamanship to keep from being dashed on the reefs, or the rugged coastline. Suddenly their rival ship in pursuit of the treasure of uranium is spotted. Jack and Billy intercept a mysterious radio message, but should they let themselves be taken back to port? will their chances be better sailing out to sea and into the raging typhoon? Stay tuned for the next thrilling installments.