From back page:
"Then Romulus shall receive the sceptre of his race, and found the walls of Mars, and call the people Romans. I have given no limits or duration to their possessions: I've given them empire without end."
Historical-Fantasy Roleplaying in a Roman Empire That Never Fell
In Lex Arcana, you are a Custos (warden) of the Cohors Auxiliaria Arcana, sent by the Emperor to the four corners of the world to further the study of arcane lore, investigate forbidden cults, and face the thread posed by dangerous supernatural creatures.
This quickstart contains the rules for Lex Arcana in an abbreviated form, 5 pre-generated characters and an introductory adventure set in Gallia - By the Will of the Gods.