Having served 13 years in jail for the abduction and murder of a young boy, Gu-eum-ja (Lee Young-ja) is set free since she has proven to be a role model prisoner. But she not been idle during those 13 years of incarceration. She has built up an army of allies and their valued friendship is going to help her exact her carefully planned revenge on her former teacher, the real culprit of the crimes, Mr Baek (Old Boy’s Choi Min-Suk). Renowned Oldboy director Chan Wook Park’s deliciously stylish thriller is his much-anticipated third film to focus on the nature of revenge. Slick and inventive, it’s proof that his film-making can be a piece of cake.