Is it all a scam?

"It's Miss Miaoyin!"
"Oh my god, Miss Miaoyin is here?"
"Of course, everyone knows the relationship between Miss Miaoyin and Master Ye. Now that Master Ye's mother is celebrating her birthday, how can Miss Miaoyin not come?"
The guests were all excited and laughing.
"Ms. Miaoyin, don't you know who Shangguan Ye is? Why are you asking us?"
A boss worth tens of millions stood up and smiled while holding up his glass.
"Boss Liu, you don't understand this. It must be Miss Miaoyin...