姐弟俩

Sister and brother lived in a small town with their grandfather in northern China. The grandfather wanted to take part in the trumpet competition, yet his trumpet was broken. Sister and brother were anxious about this. They decided to look for a new one to help their grandfather participate in the competition. They went through all kinds of hardships and difficulties, and succeeded in finding one at last. Although grandfather didn't win the competition, sister and brother's love had already expressed.