Summer was passing by on the Line 4 subway, and Shu Fan met Chen Xingzhi on the day of registration.
He and she walked through that hot summer, and in the days that followed, he became the name she dared not mention easily in her youth.
Reunion after many years, the heat in the noodle shop rises, and the past that was exposed by the subway door, sycamore leaves, and military training finally became clear little by little.
This is a story about reunion after a long separation, youthful regrets, and about running in both directions.
Concept: Real college love life