Sinopsis momentánea en inglés: At the beginning of Chen Xiaojin's summer holidays, his grandparents went abroad to his uncle's house, while his neighbour Weidong, with whom he often played, also went to join his father abroad. Every day, when Chen Xiaojin's parents went to work in the factory, Chen Xiaojin stayed home alone. Day after day, during the long days, as an only child, Chen Xiaojin endured increasing loneliness.
The summer holidays, which many children look forward to, are difficult for Chen Xiaojin, who is eager to turn the calendar to the start of school and finish the summer as soon as possible.