Quo Vadis? is a historical novel by Henryk Sienkiewicz that takes place in ancient Rome during the reign of Emperor Nero. The story follows the love affair between a Roman patrician, Marcus Vinicius, and a Christian woman named Lygia. As Vinicius tries to win Lygia's heart, he becomes intrigued by the teachings of Christianity and eventually converts to the faith.
However, their love is tested when Nero's persecution of Christians intensifies, leading to the infamous burning of Rome. Vinicius must now choose between his loyalty to the emperor and his newfound faith, while Lygia faces the threat of being martyred for her beliefs.
The novel explores themes of love, faith, and the clash between pagan and Christian values in ancient Rome. It is considered a classic work of historical fiction and has been adapted into numerous films and plays.