C135 Was this a coincidence?

Is this a coincidence?

"Liang Chen, is there something on your mind?" Xie Wenjing asked curiously.

"No, if there's anything I can do, treating aunt to a meal is of utmost importance to me!" Liang Chen's mouth turned clever, causing Xie Wen Jing to look at him in a new light.

"Oh right, Liang Chen, we solved the case a few days ago, how did that girl from school die?" the aunt asked curiously