Xia Wanwan got into trouble on her first day after returning from studying abroad - she used the crime scene as a testing ground and used a microscope to examine the evidence.
Detective Qin Xiao, known as the "Living King of Hell", took away her student ID card and said: "If you damage the scene, you will be detained for three days."
The next day, the director personally released him: "Inspector Qin, this is a doctor of chemistry from the University of London, helping to solve the case!"
Qin Xiao looked at the ghostly molecular formula on the test sheet and sneered: "Doctor? I think he is a charlatan."
Until she used a chemical reaction to reveal the bloody fingerprints in public, and found out the real culprit that he had been tracking for half a year.
He held the test sheet that saved his life, and the tips of his ears felt hot: "Dr. Xia, should I treat you to dinner to apologize?"
She blinked: "You can eat, but give me your student ID first - besides, you look much more handsome when you blush than when you were interrogating prisoners."
