The life of an American woman living in Kyoto, Japan, is upended when her husband and son disappear in a mysterious plane crash. As consolation, she's given Sunny, one of a new class of domestic robots made by her husband's electronics company.
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.