Song Yan has called Song Yunjia’s mother a few days before he goes abroad.

But the middle-aged woman, who has lived alone for more than 30 years like a widow in Berlin, Germany, hangs up without saying a word.

Song Yunjia, her daughter, only hears her mother’s breathing.

She also feels a little guilty about Song Yan.

Song Yan, as if he could understand Song Yunjia’s mother, says softly, “It’s OK if she doesn’t want to see ...