Salvation on the Blade

<p>Police officer Zhao Xincheng is a tough courageous and dexterous man very familiar with criminal profiling techniques. He has successively solved many cases and is highly esteemed by his leaders; it's just that his temperament like a double-edged sword has also caused him to be repeatedly disciplined. Meanwhile Beijing is assailed with frequent homicides of which the victims have nothing in common. Even more unimaginable one of his colleagues also falls to the murderous scheme.</p><p>With the assistance of the municipal public security bureau's criminal psychological profiling expert Yuan Shi and his friend and-mentor attorney-at-law Han Bin Zhao Xincheng starts investigating the cases. Unexpectedly the closer he gets to the truth the more doubts arise and just as he is about to solve the issue of the serial killer he reveals a tantalizing old grudge hidden under the tip of the iceberg.</p>