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.

Matty Blake sits down with Oak Island legend Dave Blankenship and takes a deep dive into Dave's history on the island while trying to understand why he stepped away from the 2 centuries old treasure hunt that he and his father devoted their lives to.