"The Scarlet Letter" by Nathaniel Hawthorne is a historical novel published in 1850. Set in Puritan Massachusetts during the 1640s, it follows Hester Prynne, who bears a child outside marriage and must wear a scarlet "A" as punishment for adultery. While Hester refuses to name the father, her long-lost husband arrives in disguise, vowing revenge. The story explores sin, guilt, and redemption as secrets threaten to destroy lives in this unforgiving community.