The beautiful Marozia becomes a legend even in her lifetime. Before she has to marry a margrave, her family grants Pope Sergius the right of the first night. The child Marozia gives birth to is the pope's son. From then on, she knows only one goal: her firstborn should also become pope - even if she has to gain power over Rome and go against her family to do so.
A historically verified fate - Marozia's dramatic life also influenced the legend of Pope Joan.