Seventies AD.Rome. City of cities. The capital of a great empire. Very, very free morals reign here. Here, state secrets are discussed in the bedrooms of courtesans and actors. The “private informant” Marcus Didius Falco always has a lot of work - after all, Rome has plenty of unfaithful wives, frivolous lovers, thieving managers, and dishonest merchants. However, this work brings in little money. But finally Falco was lucky: his trip around the Bay of Naples was paid for by Emperor Vespasian himself. But in reality, the purpose of the “pleasure trip” was to uncover a conspiracy directed against the emperor himself. A conspiracy in which, it seems, the most noble and wealthy Romans are involved...