A dramatic film released in 2018 by Lou Ye and about a heinous crime against the head of the building committee when he jumped from a high building. After the death of that man, Yang Jidong, a rising policeman, began to investigate intensively in order to reach the mystery of the death of the chairman of the construction committee. Yang was forced to leave his job and Hong Kong's safety in order to discover the truth and reach the hidden secret.
