At the crime scene, clues deliberately left by the killer point to several other major cases. Xie Wenlong and his team follow the leads, solve those cases, and bring the suspects to justice. But the June 4 murder case returns to square one, its details baffling, complex, and bizarre. Through incisive reasoning, Xie Wenlong reconstructs the killer's motive and the sequence of events, bringing the real suspect to light. Yet he is consumed by anguish. His reasoning holds up, but he can't find a single piece of evidence pointing to the killer. Meanwhile, the adversary he suspects arranges to meet him and his girlfriend, hinting that continuing the investigation will cost him his life. Undeterred by the danger, Xie Wenlong presses on and narrowly escapes an assassination attempt.
At last, Xie Wenlong makes a major discovery. But as he leads his team in pursuit of a suspect, an unexpected, major turn of events occurs. The crucial evidence the suspect leaves behind reveals the truth of the case. The cause and ending leave everyone stunned and heartbroken.
A criminal mastermind with extraordinary intelligence lays one deadly trap after another. How will the police unravel the layers of mystery? Find out in Zhang Kaiqing's full-length crime novel, Deadly Setup.