Talented pipa player Li Sasa is mysteriously transported to the Sheng Dynasty, inhabiting the body of Li Ru Niang. Lost in this new world, she meets Lu Jingnian, head of the Right Sect Fang. Joining his musical group, Sasa helps form an innovative all-women's ensemble. As they bond over their shared passion for music, their relationship faces challenges that test their connection.

After getting a chance to relive her high school years, a student learns to balance academic success with personal growth, discovering that meaningful relationships develop naturally when pursuing her goals.