Dr. Wilhelm Brock, a seasoned but never successful Precolombian treasure hunter, is on the trace of the legendary, elusive Oromec treasure in Panama. Finding the missing clue gives him a cardiac crisis. His bossy daughter Johanna tries to sell the boat he got to pay for his surgery. Lacking buyers, she joins his foster-son Michael and historian Christian o the treasure hunt. But Wilhelm's rich former partner Carlos Ortega has got wind of his luck, and stops at nothing.