Up-and-coming actor Seo Kangwoo is up for "Rookie of the Year" when his former lover, industry exec Lee Jiwon, suggests they act like a couple in public. Although they are no longer dating, Jiwon now needs Kangwoo's help to create a dating scandal that will break off an engagement set up by her family. With his lingering affection for Jiwon, Kangwoo jumps at this chance to be close to her again. Although it's all supposed to be acting, will Kangwoo's real feelings for Jiwon blow everything?