The marriage will cement a powerful alliance for his family.

But his heart belongs to another. Torn between love and power, he has become complacent. He has forgotten the bloody path he forged on his ascent to power, and the enemies left in his wake.

When the family's historical enemies and shadowy new conspirators put their bloody plot into action, the consequences will be terrible. In order to protect their supremacy, the Medici will enact a violent vengeance from which few will be spared.