Set in the Chinese Republican era, it revolves around a group of unorthodox people with special skills, who set out to investigate mysterious and supernatural incidents.
This film is adapted from the real background of the search and rescue dog "Ding-Dang". It tells the story of Yang Qi, a fire fighter who retired early due to injury during an earthquake rescue, and was forced to reluctantly part with his search-and-rescue dog "Ding-Dang" who had been trained for many years. Years later, the search-and-rescue dog "Ding Dang" sneaked out of the recuperation base and became a stray dog. It spent his whole life looking for his original trainer, Yang Qi
Talented youth Qin Ming just stepped out into society. With the help of Lin Dang and others, he slowly steps out of his childhood trauma and become a renowned medical examiner who can take charge of the whole bureau. A new murder happened with the same M.O. as 15years ago. Did they catch the wrong person? Or the murderer had an accomplice? The nightmares and memories Qin Ming experience resurface again.
In order to support the Central Soviet Area in breaking the Kuomintang’s military "encirclement and suppression" and economic blockade, the Central Committee of the Communist Party of China decided to establish a red communication line from Shanghai to the Soviet Area via Hong Kong and Shantou. Zou Zuo Ren is the head of the Bogongao station of the transportation line. Together with other large, medium and small transportation stations, he is carrying out the top-secret mission of transporting personnel and scarce supplies to the Soviet area and also transporting funds and intelligence from the Soviet area to the Shanghai Party Central Committee. Under the leadership of Zou Zuo Ren, the traffic men battled wits with the enemy.