When Tahoe Detective Owen McKenna responds to a boat hijacking on Lake Tahoe, he gets pulled into the case of a woman named Anna Quinn who is on the run and hiding from members of a fanatical militia group. The militia men believe that Anna has information about a treasure that dates to the Gold Rush, and they will do anything to find her and learn whatever she knows. In order to save Anna, Detective McKenna has to find her first. But he is out-manned and out-gunned, and it looks like the militia men intend to put both him and Anna into their burial ground...