They were neighbors for two years and separated for three years. By chance, she and he met again under the roof on a rainy day. Time has changed the two people beyond recognition, and their fiery hearts resonate with each other. Going around and around, it turns out that the best of us have been lingering in the same place, waiting for each other. "Let's go, Brother Jin will take you back, just like we did when we were kids." We are waiting for each other as the weather turns warm and sunny.