C21 Sister-in-law Playing the Flute

"Sister-in-law, is that guy Chen Jun coming back tonight?" I asked on the way.

"I don't know. I was hiding at my best friend's place all night last night, but he might come back tonight. I'm a bit worried." The woman said worriedly.

We went to Sister-in-law's house, and Sister-in-law said she wanted to cook, so she asked me to help her with the garlic. The refrigerator was behind her