An Lintian, the world's piano princess, was actually ostracized in a small music conservatory! The principal's aunt arranged to play "Miscellaneous Memory" in a four-handed competition with school idol Tan Shaolei, but little did he know that there was an unknown secret behind "Miscellaneous Memory"... They were rivals on the same stage, classmates in the same piano room, friends who worked together, enemies who killed their relatives, and contract lovers who were entrusted... After the ups and downs in the past few years, where should they go?