Eunseo and Jun-woo are childhood friends. Eunseo, a top actor, makes a deal with Jun-woo, stating that if Jun-woo helps him practice his script, then Jun-woo can meet his favorite actor, Eden. The more romantic the scenes get, the more Jun-woo is unable to shake off some strange feelings. And to make matters worse, Euinseo asks Jun-woo to help him act out a sex scene. Will Jun-woo be able to get through this heart-fluttering rehearsal safely?