A Lamanite prophet named Samuel appears among the Nephites around 6 BC. His mission is to call the Nephites to repentance amidst their deepening wickedness. Despite being thrown out of the city of Zarahemla, Samuel returns, climbing the city wall and delivers God's warnings and predictions.

Samuel boldly prophesies of the coming of Jesus Christ and the devastating consequences for the Nephites if they do not repent. His bold declarations included the appearance of a new star, other miraculous signs in the heavens, and a period of three days of darkness at the time of Christ's death. Samuel's words were met with a mix of belief and violent rejection, leading to a miraculous escape from Zarahemla.

The episode concludes with Samuel's powerful message of repentance and the eventual fulfillment of his prophecies, setting the stage for the coming of Christ and the subsequent transformation of the Nephite and Lamanite societies.