For 15 years, Han Choeun gave her all to actor Park Eunho as his friend, his stylist, and eventually his lover. However, her heart is broken when she finds Eunho cheating, exposing what a cruel "beast" he truly is. Determined to get revenge, Choeun starts working for rival actor Cha Dojin and tries to seduce him one night while drunk. Though Choeun only does this to show Eunho she's moved on, Dojin surprisingly agrees to be seduced further! But will vengeance be as stylish as Choeun imagines?