If It's Not Now Then When?

Since the death of his father, MEE has lived with his widowed mother, Mrs. Chen. MENG is the youngest son in the family and lives alone, while the eldest sister MUN is married and has her own family. The death of his father left a strange atmosphere in the family, and the relationship between family members gradually alienated. Mrs. Chen continued to have an affair with her lover, and the children knew nothing about it.