Thousands of years ago, she fell into reincarnation for him. Thousands of years later, he finally woke up. A hundred years later, we were strangers when we met again. Meeting again and again, by chance or premeditated? It turns out that destiny has its own destiny. Meeting again and again awakens thousands of years of memories, and they fall in love again. The year the uninvited guests arrived, the sunflowers rushed to bloom. Do you remember the vows we made in the sunflower field?