In the shadows of Renaissance Florence, a killer stalks the powerful with vengeance forty years in the making...

When a nobleman is found dead with a crimson feather and strange markings on his body, Isabella de' Medici is drawn into a deadly mystery that threatens to unravel her family's carefully constructed legacy.

As more bodies appear—each with a haunting mask left at the scene—Isabella discovers shocking truths about her bloodline that have been buried for generations.

With each murder forming a ritual pentagon across Florence, Isabella must confront:

Family secrets that could destroy the Medici name

A masked avenger with intimate knowledge of forgotten crimes

The horrifying truth behind five masks crafted from human skin

Racing against time before the final mask claims its victim, Isabella navigates a labyrinth of political intrigue, forbidden knowledge, and Renaissance occultism. But in a city built on secrets and power, the most dangerous revelation may be the truth about herself...

'The Medici Killer' weaves historical drama with psychological horror in a gripping tale of family, revenge, and the darkness that lurks behind the splendor of the Renaissance.