29 years old , baek dohee who feels hopeless and skeptical about her life , dreamed of escaping from a frustrated heart , meets jun won in place of her friend , nuri. due to an unknown attraction they end up having a one night stand , but at the climax. dohee passes days without meeting jun won inorder to forget that day. dohee reunites with jun won , who has taken the position of team leader. however, jun won who shouldn’t be able to remember “that day” , clearly remembers dohee and everything that happened that night. no matter how hard she tries to push him away , she’s still dragged towards him who approaches her recklessly. can the two men and women who became emotional hedgehogs for their own reasons , will be able to break down the wall and be happy together? 첫날밤만 세 번째 / for the third time / third night only / three night stand / 第三次一见钟情 / 첫날밤만 세 번째