Lady Sour (Chinese: 醋娘子; Jyutping: cou3 noeng4 zi2; literally Vinegar Wife) is a 2014 Hong Kong costume drama, comedy, romance produced and developed by Hong Kong's Television Broadcasts Limited, starring Myolie Wu, Ron Ng, Him Law, Eliza Sam and Jade Leung as the main cast. Filming took place from November 2013 till January 2014.