In the corner of the library of A University filled with the atmosphere of old books and sycamores, Zhu Wan, the "Brother Zhu" from the Department of Architecture, is a neat and capable tomboy academic master in the eyes of his classmates. She hid her gender in large overalls and tied up her long hair, just to avoid the endless blind date arrangements at home and to protect her dream of devoting herself to the restoration of ancient buildings - it was her grandmother's instructions before she died, in exchange for a lifetime of regrets: "Live for yourself."
Lin Zhou, a programming genius in the Department of Computer Science, is looking for cold code logic in gongbi paintings and ancient books. Once he borrowed a pen, he discovered Zhu Wan's secret: the girl who copied the "Butterfly Lovers" meticulously, with her fingertips dyed with the fragrance of turpentine, had written the most hardcore mechanical formulas in her notebook. She is like a contradictory building, with the cornices carrying thousands of years of drama, but the beams and columns being supported by the most precise calculations.
When the restored model of the ancient building connected the fate of the two people, Lin Zhou saw the warm yellow that "Brother Zhu" painted the cornices late at night, and saw her vulnerability when staring at the photos of the old stage; Zhu Wan discovered the ink poetry lines beyond Lin Zhou's code. Heartbeats quietly grow between the digitally projected butterfly wings and the wooden stage. However, Zhu's mother's forceful intrusion shattered all the peace. The confiscated blueprints, locked doors, and threats of suspension from school pushed Zhu Wan to the edge of despair.
Lin Zhou understood her fear among the fragments of map paper: "If I were not 'Brother Zhu', would you still go together?" He did not force his way through, but used only lines of code to rebuild their common dream in the virtual world.
