One summer, because Dongdong's mother was ill and couldn't take care of him and his sister Tingting, Dongdong had to go to Miaoli's grandfather's house by train with her sister for a long summer vacation. In this rural town with distant mountains, streams, rice fields, trees and cicadas, my brothers and sisters have experienced many things. Mix with local children in winter and winter. They swam in the river together, shuttled between fields together, and watched the process of robbers robbing lunch break workers together.

Dongdong's uncle Changmin had a relationship with his girlfriend Lin Biyun in love. As a result, Biyun's mother came to make trouble. Grandpa was very angry and chased Changmin, but my uncle disagreed. Later Dongdong accidentally broke into his uncle's room, only to find that there was a wanted man hiding in the room. The unruly uncle planted a mystery in Dongdong's heart.

One day, a crazy woman appeared in the street, and passers-by fled, but Dongdong's sister Tingting approached her on her own initiative, so the relationship between them became closer and closer. Later in an accident, this crazy woman saved Tingting's life. The life of a crazy woman is very difficult. First insulted by hooligans, then pregnant and aborted. In order to treat this crazy woman, my grandfather didn't go to Taipei Hospital to visit his dying daughter. After Hanzi and Dongdong's mother turned the corner, Grandpa said to Dongdong earnestly, "Parents can't take care of their children all their lives. They can only lay a good foundation for him and teach him something that should be at least before entering the society ... "

After this series of storms, the summer vacation passed quickly. When Dongdong and Tingting left the town, Tingting wanted to say hello to Hanzi passing by, but Hanzi was still at a loss. Dongdong waved, said goodbye loudly, bid farewell to the partners in the town, bid farewell to rice fields, bid farewell to streams, bid farewell to his childhood, and embarked on a new journey of growth.