A blind boy, who lives alone with his mean sister in a rundown hotel in Venice, receives a vision that warns him of the upcoming birth of the Antichrist. Soon, his sister mysteriously becomes pregnant.

Amedeo and Ofelia, middle aged brother and sister, own jointly an old decadent, but still attractive, condominium. They want to sell it, but before they have to evict all the tenants. Of course, these don't want to leave at all. The cat (Il Gatto), mascot and beloved by all, dies and this gives the two an excuse to enter the tenants' life. Amedeo starts to court the young Wanda and Ofelia seduces the priest Don Pezzolla. In the meantime police is looking for the cat killer...

In this costume epic, the last days of Julius Caesar are chronicled.