Watch FilmoFlix. Wallenstein is adaptation of the drama by Friedrich Schiller. Set midway through the religious conflicts that ravaged war-torn Europe in the 17th century, the 18th-century German dramatist Friedrich Schiller wrote 3 plays that chronicle the final year and downfall of the celebrated Bohemian leader Albrecht Wallenstein, duke of Friedland (1583-1634), and explores the factors contributing to his demise.