America's Hidden Stories (2019)

Episode Overview

In 1864, a botched mission to rescue northern prisoners of war leads to the discovery of documents on the corpse of Union Colonel Ulric Dahlgren, which reveal plans to assassinate Confederate President Jefferson Davis. This revelation sparks fury across the South and gives new life to the Confederate secret service. In response, historians join forces with the descendants of the late colonel to investigate the mastermind behind this bold assassination scheme, while also pondering whether Abraham Lincoln's assassination a year later could have been an act of vengeance.