Contessina is faced with deciding Maddalena's fate. Cosimo goes to Rome to retake the city and the papacy. Lorenzo finds evidence incriminating Pazzi.
The Medici family returns to Florence, where Albizzi awaits the Signoria's sentence, but the arrival of Pope Eugene IV complicates the situation.
In exile in Venice, Cosimo finds himself drawn to a slave woman. Meanwhile, back in Florence, Contessina runs into her childhood sweetheart.
The Dome and the Domicile
As the war with Milan takes a heavy toll on Florence, Cosimo boosts morale and the economy by undertaking the impossible: building the cathedral dome.