The female conductor Qi Sitian (played by Gigi Leung) returned to China for her first performance. She wanted to take this opportunity to find her brothers and sisters who had been separated for many years. 20 years ago, Qi's father (played by Cui Jian) was a music teacher. Although the family was poor, they were happy. The mother (played by Zhang Jianxin) had been ill for many years and suddenly became seriously ill. The father took his mother to the hospital on a snowy night, but he encountered a car accident. The four children Yiku, Sitian, Tian, and Miao also became orphans. The cousin kindly asked to take them in, but the cousin's family was not rich, and was strongly opposed by the cousin's aunt. The eldest brother Yiku had to reluctantly give his younger brothers and sisters to others for adoption. The four brothers and sisters have been separated since then, but each of them holds a family portrait in his hand. 20 years later, everyone has their own life, bitter or sweet. Sitian's bitter search only found his younger brothers and sisters. Yiku did not dare to recognize Sitian because of his humbleness. The performance arrived as scheduled, but Yiku was absent...