Chen Xiaotian, a new police officer, is a crime cop I wanted to be, but I was sent to the police dog unit. Dumpling, the dog he was responsible for It was difficult to practice without listening to him, and after going through various incidents They cooperate and help each other They became the best comrades. How will Chen Xiaotian train the little dumpling... How will the bond between the two of them connect... Let's watch the movie together.