10 years of searching. Rick, Marty, and the team return to Oak Island and immediately uncover evidence of a tunnel in the Money Pit; the Fellowship gets a clear look at an underground structure, getting them closer to solving the mystery.
While on a research mission in England, Marty, Alex, and Charles are thrilled to uncover more evidence connecting the Knights Templar to the Oak Island mystery.
Armed with more evidence that the garden shaft, where high levels of gold have been detected in the water, is connected to a possible series of tunnels in the Money Pit, the team begins the work to get a team member underground.
The team is astonished when Gary unearths multiple artifacts in close proximity to the old ship's wharf and with the discovery of a shallower tunnel in the Money Pit, Marty's theory of an off-set chamber may finally be proven.
The discovery of mysterious ship logs provides more evidence suggesting a 1746 French armada led by the Duc D'Anville landed on Oak Island. At the Money Pit, the team gets closer to getting a team member underground.
Gary unearths a curious artifact on Lot 8 and in the Money Pit, the team is astonished to discover that they may be chasing multiple tunnels towards the gold in the garden shaft.
The team returns to the swamp and immediately uncovers more evidence of a sunken ship. And in the Money Pit, the discovery of a collapsed structure could mean they have finally located the off-set chamber.
The fellowship is stunned when evidence suggests that a dam lies buried at the end of the swamp, corroborating both Fred Nolan's theory, and Zena Halpern's Templar map.
While the team uncovers more evidence suggesting the mysterious man-made stone foundation on Lot 5 was purposefully hidden, the Fellowship is zeroing in on the gold in the Money Pit.
While the team searches for clues to understand why an ancient well was constructed on Lot 26, excitement abounds when more evidence of a tunnel heading directly towards the garden shaft is discovered.
As the Fellowship prepares to get a team member underground in the Money Pit for the first time, a new theory emerges suggesting that Nolan's Cross holds the secret to its exact location.
The team is ecstatic when new scientific evidence narrows down the location of the gold signature in the Money Pit. And Rick realizes a lifelong dream when he finally gets underground on Oak Island.
The Fellowship is certain that they're closer than ever to an offset chamber when the probe drilling operation in the garden shaft finally gets underway.
After a long wait, the Fellowship finally gets permission to return to their excavation in the swamp. Almost immediately, they make a discovery that could connect all the cobblestone dots in the mysterious bog.
After a new find suggests that the Oak Island mystery could have ancient ties to Italy, the team investigates a stone structure that shockingly has a design that matches the original Money Pit treasure shaft.
The North Atlantic winter is quickly approaching but the stars are aligning for the fellowship of the dig when the swamp reveals more of its secrets, and a trip to Italy provides a shocking new insight into Nolan's cross.
While an incredible new discovery is made in the triangle-shaped swamp, Rick Lagina and members of the team make shocking connections in Italy between the Knights Templar and the Oak Island mystery.