In the morning light of Nanhu University, Zhu Yun walked briskly through the lush tree-lined avenues, filled with expectations for today. Her world took on a different color from the moment she met Li Xun. Li Xun, the young man whom she mistakenly thought was a playboy when they first met, but who actually had a profound programming talent, has now become an indispensable presence in her life. Zhu Yun knows that she is not only his partner, but also his most steadfast "knight" on this challenging and unknown programming road.