Chapter 684: He finds his door

on the square in the city center. Fire firmly refuses Ling Xi's company. She watches Ling Xi's car go away. She stops a taxi and goes to a nearby DNA laboratory. In the car, the fire's heart is heavy and complicated.

When she arrived, she looked around the fire and went in, handed in three different pieces of hair and blood-stained paper that she had collected, and sorted them clearly. Finally, she ripped off one of her long hair and handed it in.

The doctor asked her to sit and wait, and her heart became extremely tense. She had never been so anxious and...