A real estate salesman was brutally murdered, and Sheriff Liu Dong launched an investigation. As the investigation deepened, he uncovered many shady stories about real estate developers, but what made him feel uneasy was that his younger brother was also involved...
Soon, the second and third murders followed. He felt that the murderer was like an invisible person, coming and going without a trace...
Faced with the test of conscience and family affection, he was ready to give it a go...