"Kayıp Yüzyılın Prensesi: Tarih" is a documentary that explores the life and legacy of Sultan II. Abdülhamid's daughter, Prenses Şehime. The film delves into her experiences during the late Ottoman Empire, highlighting the challenges faced by women in that era. The documentary also examines the broader historical context of the Ottoman Empire during the 19th and early 20th centuries. It provides insights into the political and social changes that shaped the lives of royal family members, particularly focusing on the role of women in a transitioning society.