Secrets of the ancient world. An Empire in turmoil. Inventions that nearly changed history.
Heron of Alexandria—the city's most renown inventor and creator of Temple miracles—receives coin from a mysterious patron to investigate the ancient mystery of who set fire to the Great Library. Desperate to be free of the debts incurred by her twin brother, she accepts and sets in motion a chain of events that will shake the Roman Empire and change the course of history forever.