On the day of the total eclipse, four couples with different stories finally find their true love. Se Jin is head-over-heels for his girlfriend, Joo Won. But he is worried his otherworldly Joo Won may disappear one day, and he will be left all alone. So Hyun falls in love with Ji Woo, a senior in college who is heartbroken by another girl. So Hyun asks Ji Woo to teach her how
