Living in a small town all his life, Zhang Yixing grows bored with the same faces he sees everyday. He's lived and worked as a gardener ever since he replanted a flower his mother had plucked out when he was little. But Yixing has always had a passion for learning about the worlds inside of people; and when the new resident Kim Junmyeon requests for butterfly bushes in front of his bakery, Yixing finds himself planting his heart in the fresh soil rather than the Buddleia seeds.