Two Britons are captured and enslaved by invading Romans and taken to Rome. Hengist Pod creates useless inventions, while Horsa is a brave and cunning fighter. One of their first encounters in Rome leaves Hengist being mistaken for a fighter, and gets drafted into the Royal Guard to protect Caesar.
This is the tale of Albert Poop-Decker, a newly commissioned Midshipman. He joins the frigate Venus, and adventures through Spanish waters, mutinee and Pirates taking his Captain, his sweet-heart and his best-friend with him!