 A press conference and costume fitting for the cast was held on July 25, 2008 with the working title "Red Powder Merchant" (紅粉商人).Filming began August and ended four months later in November 2008 in Hong Kong.Lee explained that the production was temporarily called "Wives and Concubines" (妻妾成群) when the initial script was first submitted, but was later renamed to "Red Powder Merchant."