In the play, the street sweeper is a woman in red who commits a crime and kills what she thinks is a "cancer of society" by her own means. Every crime has disciplinary significance. She cut off the victim's index finger and wrote the words "scavenger" at the scene.

The cleaner had a very tragic childhood experience. The cleaner's mother was wearing a red coat and jumped to her death. His mother jumped from the building because she was tortured by her father's long-term domestic violence. These experiences have greatly changed his character. He satisfied his inner emptiness by killing people and solved the cancer of these societies by punishment.

Extended data:

Role introduction

1, Li Yinan plays Han Tianfeng, a psychology teacher who is good at taking notes. Influenced by his family, his adult mentality gradually changed, supporting his inner understanding of "justice" in an almost paranoid way. After the identity of the "scavenger" was completely exposed. He tried to fight Qin Ming again to continue the concept of "scavenger" in Qin Ming.

2. Qin Ming, played by Liu, is a forensic doctor of Longfan police station and a student of infantry. In the face of questioning the results of the victim's corpse examination, through rational analysis, from the murderer's point of view, the Morse code "Hi" left by the "garbage collector" who publicly provoked him was successfully cracked.