
Cole Sutton exploited by father-in-law Walter Lynch, ex-wife Rona Lynch. Forced into divorce by Harvey Shaw, he unlocks ancestral dowsing compass for deep-sea treasures. With friend Rocky, restarts fishing boat, catching high-priced hauls. Fights Lynch family's harassment, Harvey Shaw's blockades, boss Kane's siege. Joins businesswoman Mona Leigh, uses compass for sunken treasure, builds Marine Ranch, brings villains to justice. Builds deep-sea fishing empire, finds success and love.