The dramatic story of a young woman who climbed to the highest rank in the Ottoman Empire after being brought to Istanbul with a group of slaves.
To her great luck, Kosem was brought to Topkapi Palace, where she was introduced to Sultan Ahmet I. Against all rules and traditions, she gets engaged to the sultan and takes up the nickname Mahpeyker. However, Ahmet's grandmother and mother oppose the marriage and take action to remove Mahpeyker from the sultan's side. Despite their opposition, Sultan Ahmet I and Mahpeyker marry, giving her great power, and later ultimate reign over the Ottoman Empire.