As Adolf Hitler and the Nazis seduced a nation, bullied a continent, and attempted to exterminate the Jews of Europe, a small number of dissidents and saboteurs worked to dismantle the Third Reich from the inside. One of these was Dietrich Bonhoeffer—a pastor and author, known as much for such spiritual classics as The Cost of Discipleship and Life Together, as for his 1945 execution in a concentration camp for his part in the plot to assassinate Hitler.1