In Montana, the Weibert family sets out to solve the last great mystery of the Battle of the Little Bighorn--the whereabouts of the priceless cache of weapons taken from Custer's soldiers after the battle. Following in the footsteps of amateur archaeologist, Henry Weibert, cousins Craig and Penny are hoping to prove out their family's long-held theory of what happened in the Battle's aftermath. Armed with a mysterious map and unprecedented access to sacred Native American land, they're hoping to track down the cache in the rugged cliffs of Reno Creek, but before they ...