Born with a weak heart, Hye Won is envious of her school friends being able to run freely. Suddenly, she collapses in the rain. Meanwhile, Min Woo, a college student, runs for cover in the rain and encounters Eun Hye. Unfortunately, Eun Hye dies on the day of her wedding to Min Woo. Fast forward many years, and Hye Won is living as a florist. She and her friend, Jang Mi, visit the mountains to collect wildflowers. Hye Won gets separated from Jang Mi and becomes lost in the woods.
