Four major murder cases spanning different seasons and locations, seemingly unrelated, are connected by a secret thread: the time mark of the hour + thirty minutes, traces of the same batch of materials, strange faces lurking in the case...
Qiao Qiming, 38 years old, is a well-known criminal police captain in the country. He has been in the police for three generations and is known for his rigorous reasoning and closed-loop evidence.
Zhou Jianguo, alias Zhang Fei, was a classmate of Qiao in the police academy, but failed the psychological test. Since then, he has parted ways with the police philosophy and transformed into a highly intelligent secret manipulator.
Every case is a provocation; every confrontation is a duel between wisdom and ideas.
When the truth surfaced, Qiao discovered that Zhou Jianguo was just the "actor" in a larger chess game, and the real dead end had just begun...
Purpose: suspense to pay tribute