Minseok, an assistant manager in LS Cinema's marketing department. He's good at social life and works hard, but strangely gets harsh treatment from Team Manager Jeong Suhee, a married woman. Despite being harshly treated every day, Minseok likes Suhee because of her beautiful appearance and unexpectedly warm side. Suhee also acts like a tsundere toward Minseok, but actually has feelings for the handsome and pleasant Minseok. Then one day, Minseok and Suhee go on a business trip alone to a regional cinema, and begin an affair...