Magnificent Century: Kösem follows the life of Kösem Sultan, from her early years as a slave girl who captures the attention of Sultan Ahmed I to her rise as one of the most influential women in Ottoman history. The series explores the complex relationships, power struggles, and intrigues within the Ottoman palace as Kösem navigates her role in the empire and becomes the Valide Sultan.

The cast and creators succeeded in bringing the story to life with a lavish portrayal of the Ottoman court, blending historical drama with rich, intricate storytelling.