Sheng Huai Nan is a name deep in Luo Zhi's heart for a very long time. He is like a ray of light to Luo Zhi who cannot help but look up and follow him. The carving on the rooftop that said "Luo Zhi loves Sheng Huai Nan" represents Luo Zhi's declaration of love that she could never say out loud. Luo Zhi was looking forward to starting anew only to realize that Sheng Huai Nan is in the same university as her. The two gradually grow close, but don't dare to express their feelings. When real-life pressures come one after another, what will become of this secret love?