Nothing tastes sweeter than revenge, and Lee Eunha is dying to get a bite. Following the assassination of her father by rival thugs working for Noh Hyungchul, a distraught Eunha takes his place in the Serim Family gang, eager for a chance to bring down the man responsible. That opportunity comes when she is asked to infiltrate the life of of Shin Kyunghyung; Hyungchul’s right-hand man masquerading as an executive at Yongsung Family's puppet company. A thrilling tale of deception and seduction unfolds, with Eunha willing to do whatever it takes - and become whoever necessary - to follow through with her mission. But as the femme fatale weaves her web of lies, will she lose her sense of self along the way...?