Video information
Television shopping hostess Jin Hyo-jin (played by Yoon Ji-in) finds herself in a difficult situation: her younger colleagues are both beautiful and ambitious, and her boyfriend, an inept film director, is useless. At a reunion with old friends, the once mocked "ugly duckling" Sun-hwa (played by Lee Young-jeon) has transformed into a stunning beauty, which surprises Hyo-jin and her friends. Faced with a career crisis, Hyo-jin seeks beauty secrets from Sun-hwa. Under Sun-hwa's guidance, she applies for a one-week intensive training program at the yoga academy run by Jin Myeong-hee. Hyo-jin, along with three other girls - Sang Yeon-ju, Lee Bo-ra, and others - enter the academy, where they are required to strictly follow various strange rules and cut off all contact with the outside world. Over the next week, they undergo rigorous training for their ideal beauty, but they must also confront the dark and terrifying side of their pursuits...