After her parents passed away unexpectedly, Su Nian took her old suitcase and moved into the home of her father's best friend Gu Jianming, living with the Lu brothers who had very different personalities. The aloof academic master Lu Zhiyan seems distant, but he always shows concern in every detail: secretly preparing brown sugar and ginger tea, anonymously redrawing her destroyed paintings, and silently clarifying rumors that slander her. The handsome school bully Lu Zhixiao is unruly and rebellious, but he protects her in his own way: he fights back those who laugh at her, sends clumsy birthday paintings to her, and stays by her bedside when she is sick.
During the days of living under the shelter of others, Su Nian found solace in the attic studio, where the secrets of the Lu family were hidden and the bond between the three of them was witnessed. Gu Jianming's sternness was filled with guilt, Lu Zhiyan's silence was filled with trauma and protection, and Lu Zhixiao's rebellion was filled with desire. When rumors and accidents hit, they understood through mutual support: family has nothing to do with blood, it is an umbrella in the rain, a light in the night, a guardian made of silence, and a sincerity made of jokes. In the end, Su Nian's "Home" freezes the non-blood warmth - it turns out that the haze will eventually be illuminated by the warm sun that blows into the wind.
