The play tells the story of the students of the famous conservatory and the people around them. From the age of three or four, students who practice professionally, perform, and attend concerts, as well as stories about parents and teachers who devote their talents, support, love, attention and dedication to these children. Kim Chun-Jae plays pianist Park Junying, who has won several international competitions after winning one of the best piano competitions in China. His family is a "driver's canteen" that has nothing to do with classical music. at the age of 6, he began to wake up to the piano, received years of support from cultural consortia, and went to the elite line of art middle school, art high school and music university. Park Enbin plays Cai Songer, a senior majoring in violin in the instrumental music department of the Conservatory of Music. After graduating from the management department, she took four challenges to be admitted to the conservatory of music at the same university, so she was seven years older than her classmates. It is a 29-year-old girl who is worried about her employment after graduation and unrequited love. Another collaborative work directed by Zhao Yingmin and screenwriter Liu Baoli in the one-act play the condition of 17 years old.