Fitter Hu Jianlin (Dapeng) was transferred to the headquarters by accident when the group was laying off employees. He is full of jokes because he is incompatible with the environment of the big factory. The human resources manager Ma Jie (Bai Ke) who was caught up in the "wrong adjustment" incident was forced to go around hiding it in order to keep his job. Is he able to keep his job after this mistake?