In 2012, Liu Beiping took Ran Xi out of the hospital. After returning home, Ran Xi looked at Ran Dongdong's portrait and smiled and said that the father and son were about to meet.In 1994, his favorite Don Quixote was placed in front of Ran Dongdong's portrait. Everyone from the police station came to express their condolences. Zhao Gan'e came with an injury and apologized. Ran Xi just slapped herself silently, meaning that it was all your fault for trying to solve the case, and you didn't take good care of Dongdong.

The master and apprentice broke up tragically.After Ran Dongdong passed away, Liu Beiping and Ran Xi decided to move. On the eve of the move, Tian Chang called and Ran Xi informed her of Ran Dongdong's death.A year later, the demolition team came to the Nanhuaishu Police Station, and the police watched the police station building being demolished.No one cares who the murderer is.The clues disappeared down the alley.In 2012, Ran Xi and Liu Beiping, who were critically ill, watched the news broadcast report on the launch of Shenzhou-9. Ran Xi set the alarm clock and was still joking with Liu Beiping for 15 minutes, but when the alarm clock rang, Ran Xi was no longer breathing.

In the funeral home, Zhao Gan'e asked Liu Beiping to install cameras throughout the room, because Ran Xi told him before his death that people from the area would come on the day of the funeral, and key clues might be captured by then.But after checking all the videos, Zhao Gange still didn't find a breakthrough. Just when he was about to give up, a dog barking on the roadside made him notice the camera of the store at the door...