C428 The Killer Wants Revenge

After hearing Xue Youwei's words, Su Beichen remained silent.

Xue Youwei was stunned for a while and suddenly asked, "Su Beichen, I am very curious about your background."

"What is there to be curious about?" Su Beichen's heart slightly shivered. Could it be that Xue Youwei knew about his background?

Xue Youwei smiled and said, "I am very curious about how you learned this medical skill