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 Sleep Curse(HK, 2017) is not only historically meaningful, but also it is emotionally impressive to the certain extent.

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