David Lam (林德祿) actually had worked for ICAC from 1980 to 1986. And his descriptions of ICAC operations are so real in detail.

The Operation Red Sea is the one which has the high quality of Hollywood filmmaking standard and competitive with Hollywood films locally.

This film actually revived creative vitality of Golden era of Hong Kong filmmaking by Mainland China's financial and marketing help.

John Woo is back to his tradition of hard boiled romance action successfully with correct corporation with the Mainland China.