After fierce Roman commander Marcus Vinicius becomes infatuated with beautiful Christian hostage Lygia, he begins to question the tyrannical leadership of the despotic emperor Nero.
This Italian film version of Verdi's opera stars Sophia Loren on the screen, with Renata Tebaldi providing the vocals.
Luisa Latin, betrayed by her husband, is imprisoned for the murder of her husband's mistress - who is still alive. When Luisa is released from prison, she kills her.