Synopsis: This historically accurate drama tells the complex and moving story of the Manhattan Project. Racing against the Nazi war machine and enduring intense military and political pressure, Allied scientists wrestle with the challenge of creating the ultimate weapon. Before the bomb can be perfected, Hitler's death and Germany's surrender remove one enemy from the equation. But Japan remains. Day One builds quietly to a shattering climax, as the scientists who developed the bomb out of patriotic fervor witness its grisly consequences.