Seo-ran and Mimi are actresses who have been in the entertainment industry for many years. On the surface, they are close friends, but in private, Seo-ran uses every trick in the book to seize status and trample Mimi under her feet. Until one day, Seo-ran is invited by Mimi to a mysterious dinner party, where the secret to eternal youth for women is said to be found, but she doesn't know that she will be consumed by unprecedented darkness and fear.