The young emperor Nero proves himself spoiled, childish and unable to cope with the government of Rome. The domineering mother Agrippina and the wise philosopher Seneca the Younger try to make change the personality of the emperor, but nothing can make Nero into a wise and honorable regent. Agrippina then take advantage of a poetic and theatrical failure of Nero to kill him and take over the government of Rome. Seneca initially supported the woman, but then a double game and Nero warns about the conspiracy. Agrippina, smart, lays the blame on the Christians and of Seneca, who could be sentenced to death. However Nero easily deceived again and proved magnanimous, forgiving all.<br>The trouble starts at court for the umpteenth time when Nero finds out that Seneca had lied about the "poetic art" of the emperor, saying to the people that Nero sings and performs worse than a stupid monkey ...