Emmanuelle, a quality controller for a luxury hotel brand, arrives in Hong Kong to evaluate a hotel run by Margot, having been tasked with finding a good reason to sack her. Searching for a lost pleasure, she has numeral sensual experiences inside the hotel, and crosses path with Kei, a mysterious client who she becomes infatuated with.
In 1970s Hong Kong, the Independent Commission Against Corruption (ICAC) was formed to bring down the corruption syndicate led by British government officials. One of its top investigators is Senior Investigator Lau Kai-Yuen, who brought down countless corrupted officials. Just as he thought stability and prosperity are within reach, a new era of greed and riches takes him into a new battlefield of corruption.