Detective Chasing the Murderer

[Members of the Detective Agency: The funny and beautiful heroine VS the super powerful 188 loyal dog president VS the noble and cold forensic medicine professor] Seventeen years ago, a kidnapping case that shocked the whole country occurred in Haizhou City. The victim was Qi Ping'an's best friend. Seventeen years later, Qi Pingan resigned and returned to Haizhou, joined the Pingan Detective Agency, and began to pursue the truth of the year. And everything points to Mr. Tie, the serial murderer who is regarded as the judge of justice. One case remains unsolved, and another begins. The female butcher selling barbecued pork... The pets in the thriller pet shop... Received a death leaflet stating that one must die... The weird night girl wandering the corridor late at night... What is the truth behind the murder case? Who is Mr. Tie? Let's investigate the case together with the members of the detective agency!