After settling in to their new signoria, Caterina Sforza and her husband Girolamo Riario have to deal with continuous plots, the War of Ferrara and the death of uncle pope Sixtus IV. After that Caterina will really show what she's made of by taking and holding Castel Sant Angelo, her sword at her side, while seven months pregnant.
In the end after her husband's assassination, she will stand alone to face the conspirators in one of Italian Renaissance history's most famous legendary scenes.