寶藏獵人瑞克和馬蒂·拉吉那曾擔任歷史頻道節目「橡樹島的詛咒」的主持雙星，他們聽說了許多新奇的未解之謎，馬蒂發現其中有一樁謎團，可以媲美橡樹島。密西根州在地人凱文·迪克斯崔相當著迷於一名1890年代燈塔看守人的臨終告解，他說他知道一些關於國家寶藏的傳說，這些至寶的年代可追溯到內戰時期。根據傳說，1865年，聯邦軍隊追緝聯盟國總統傑佛遜·戴維斯，並把他的金子沒收充了公。被竊占的戰利品在幾年過後走私到北方，但最後給埋沉在密西根湖之下，迪克斯崔相信那堆金子至今還在那裡。為了證明他所信屬實，最終他和團隊一起前往密西根湖，直探湖底。
Treasure hunters Rick and Marty Lagina, the stars of History’s “The Curse of Oak Island,” learn of a many new mysteries, but Marty finds a new mystery that may rival Oak Island. Michigan native Kevin Dykstra is obsessed with a deathbed confession made by a lighthouse keeper in the 1890s about a national treasure dating back to the Civil War. The story goes that Union soldiers tracked down Confederate president Jefferson Davis in 1865 and confiscated his gold. The stolen loot was smuggled north some years later but ended up in Lake Michigan, where Dykstra believes it still remains. His quest to prove it ultimately takes him and his team to the bottom of Lake Michigan.
