In the summer of 2019, Chen Zihao discovers his class's top student, Yang Yuhang, is his secret pen pal. Their connection deepens, but looming exams test their newfound closeness.
1994
2004
2003
1989
2006
1979
1986
1968
1997
2005
1995
1960
1957
2000
1981
—
1987