Chen Minghui, a 60-year-old retired forensic doctor, received a bouquet of roses. The card was signed by his first girlfriend who committed suicide 23 years ago.
Handwriting identification showed that it was indeed written by her.
The police reopened the investigation and found that the DNA of her body did not match the files from that year.
Late at night, the door lock of his house was picked open, and a photo of her when she was young was placed beside his bed.
All clues point to the abandoned hospital where she "jumped off".
He stepped into the bloody scene again, but found her diary from that year behind the morgue:
"If I can get out of here alive, I will definitely marry Chen Minghui."
Turning to the last page, he saw his son's fingerprints.
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