Brothers Rick and Marty Lagina now own most of the mysterious Oak Island. Determined to resurrect the 200 year old search for treasure, they explore an abandoned shaft called 10-X.
When the team discovers something very unusual at Smith's Cove, Rick and Marty Lagina believe they've made a huge breakthrough in unlocking Oak Island's secrets.
As Rick and Marty Lagina begin work to drain a mysterious swamp, they are visited by a woman who lost her father and brother to a tragic accident on Oak Island that gave rise to rumors of a deadly curse.
After dating the Spanish coin they found last summer to 1652, brothers Rick and Marty Lagina return to Oak Island and the strange triangle-shaped swamp to look for more clues to this 200-year-old mystery.
As Rick and Marty Lagina begin excavating the infamous Money Pit, a visitor shows them evidence that the treasures from King Solomon's Temple could be buried on Oak Island.
After hearing that a treasure of biblical proportions was buried on Oak Island 2500 years ago, Rick and Marty Lagina look for evidence to prove it while also trying to locate the original Money Pit.