Matty visits Oak Island in the dead of winter, days before the pandemic changes the world.

What if the Oak Island treasure not only exists, but a portion of it was taken and was used to finance something of even greater value--America's freedom.

Matty Blake returns to Oak Island and gets an insider's look at the struggles and unbelievable triumphs Rick and Marty Lagina have experienced this year in their efforts to finally solve the 224-year-old Oak Island mystery.