In the countryside with green mountains and clear waters, there lived such a family, two brothers, their wives and children, their old father, living together. The two women found a job in the city and had been away from the countryside for two months. Their brothers and their father were still working at home. The eldest son has a son, Ming Ming, 11 years old, the second is a daughter, named Ya Ya, 9 years old. The eldest son has a strong sense of independence and lives separately from his father, while the second one lives in a room with his daughter.