Caipu (played by Zhuang Yizen) is a night security guard at a sculpture factory. He has a seriously ill old mother who needs care at home. Du Cai (played by Chen Zhusheng) is Cai Pu's only friend. Cai Pu often calls Du Cai over to keep him company during the night shift. One day, the two of them suddenly decided to take a look at Cai Pu's boss Huang Qiwen (...