In the second semester of her sophomore year of high school, Shen Ruoxi transferred to Longcheng Lishou Middle School due to family changes and stayed at the home of her father's friend Lu Shan. She and Lu Shan's son Lu Xing, two young people with very different personalities, started a journey of youth full of twists and turns and warmth under the same roof. From the initial mutual rejection and constant quarrels, to the gradual discovery of each other's shining points, feelings quietly grew inadvertently. However, family expectations, academic pressure and adolescent confusion have all become obstacles on their love journey. Can they stick to this innocent relationship and find their own destination in the hustle and bustle of youth?