Time is running out when the Laginas and the team are blindsided by a shocking development that threatens to halt all operations at the Money Pit.

Excitement grows when the team discovers a 200-year-old searcher shaft which could lead them directly to the Money Pit.

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…