As two brothers watch a news cast about extra terrestrial beings, the older brother uses the opportunity to make an analogy about their world being invaded by unwelcome visitors.
In 2018, a city boy named Ludovico discovers he has had a previous life and to be reincarnated. Shortly thereafter, through various flashback, he learns that in 1815, the emperor Napoléon Bonaparte entrusted him an important missive able to upset the course of history.