Why did the silent butcher help him?

Zhang Lei, the son of the hero, likes Altman very much, while the son of the butcher always wears an Altman mask and tries to give it to the man who just got on a motorcycle and wants to stick it on his body to find you. However, the mask belongs to Zhang Lei. "Upset" is a crime suspense film jointly produced by Bingchi (Shanghai) Film Co., Ltd. and Hehe (Shanghai) Film Co., Ltd., written and directed by Xin Yukun and starring Song Yang, Wujiang, Yuan Wenkang and Tan Zhuo. Focusing on the disappearance of a child, the film tells the true face of China and the color difference between cold and warm through the characterization of different identities in the process of the miner's father pursuing the trace of the child.