Do-Hoon and Soo-Jin are a married couple. Do-Hoon learns that he has Alzheimer's disease. He decides to divorce Soo-Jin out of concern for her future. The couple divorces.
“The Wind Blows” is a story about a man who decided to divorce his beloved wife after suffering from Alzheimer’s disease and a woman who decided to divorce her husband to have children. The plot unfolds six years later when they reunite.