Perfect crime: The protagonist carried out the murder in an extremely professional manner, handling the scene flawlessly, showing superb anti-investigation capabilities.
Psychological game: Facing the police interrogation, the protagonist shows extraordinary calmness and wisdom, and starts a psychological contest with the police.
Hidden identity: During the day, he is a gentle university professor, but at night he transforms into a cold-blooded killer. The contrast between his dual identities is chilling.
Twisted Psychology: Through the protagonist's inner monologue, his twisted murderous motives and morbid satisfaction are revealed.
The ultimate showdown: The police are gradually getting closer to the truth, but the protagonist has already laid a bigger plot.
Purpose: Show the protagonist's twisted psychology
