More than 3000 years ago, aliens from a planet called Tarn Vedra in the Andromeda galaxy invented a way to travel across the stars almost instantaneously. They called it Slipstream, and they used it to build a vast commonwealth of planets across six galaxies. When Earth was ready, we were welcomed into it. It was a vast, diverse group of cultures working together in peace, striving to spread civilization across the Universe. Unfortunately, some factions came to disagree with the Commonwealths methods...

In this British costume drama, the turbulent transition from Roman republic to autocratic empire, which changed world history trough civil war and wars of conquest, is sketched both from the aristocratic viewpoint of Julius Caesar, his family, his adopted successor Octavian Augustus, and their political allies and adversaries, and from the politically naive viewpoint of a few ordinary Romans, notably the soldiers Lucius Vorenus and Titus Pullo and their families...