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

The film tells the story of Brother Hao, who went to Hong Kong and Macau for his friends in order to repay the kindness. He happened to meet the "big fool" of the Northeast Huaze class, and was accidentally involved in the fight of the gangsters.

The film tells the story of Zhang Hao, a martial arts stuntman who has stellar skills but has no talent. His family life is not going well. He returns to the house and leaks when he finds out that he has cancer. Recognizing the FBI, he was involved in an operation to annihilate the Golden Triangle drug lord by mistake, and all kinds of ironic stories happened in the process. With the appearance of different characters, Brother Hao's various "death by tricks" plans were frequently interrupted, and many jokes were made, but he also slowly realized the true meaning of life...