Falling apart after her husband dies suddenly, Kate reawakens as her eighteen-year-old self on the day she first met her husband and embarks on a second chance to re-experience their love and save his life.

After hearing his older brother (Richard Egan) has been killed in combat, a young Texas farmer (Presley) marries the man's sweetheart (Debra Paget). But his brother returns, sparking a bitter sibling rivalry and tragic confrontation with Union soldiers.