Psychological Mysterious Case.

Summary

Summary: Detective Su Yun and Captain Song Ao Yue pursue a serial killer named Feng Da Yong, who is obsessively protecting his girlfriend Huang Zi Rou. They discover his home filled with her secret photos and realize he's using an Ethernet cable as a murder weapon. Feng killed three people connected to Huang and is likely planning to eliminate another person who harmed her. The detectives believe he won't flee the city until his mission of revenge is complete, making him a dangerous and methodical suspect.

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