"Demetrius: A Play by Friedrich Schiller" is an unfinished drama written between 1804 and 1805. The play follows Demetrius, who claims to be the lost son of Ivan the Terrible and rightful Russian czar. With Polish support, he battles to overthrow Boris Godunov and seize the throne. His impressive conviction wins allies, including his fiancée Marina and the czar's widow. But a devastating revelation awaits—one that will challenge everything he believes about his identity and legitimacy as ruler. (This is an automatically generated summary.)