《爱人》讲述了她(成贤娥 饰)与他(赵东赫 饰)相遇在电梯里。两人之间莫名的迸发出了情感,享受着高层电梯中的相处时间。她很为难,因为她将要与相恋七年的男友结婚了。但她还是禁不住对他的好奇之心,她不明白自己为何会向这个陌生人倾注如此多的感情。同一天,他们再次相遇了,她更加喜欢温柔的他了,二人发生了关系。
Her lover has never taken a dangerous risk in his life. She has been for seven years and is going to get married next month. One day she meets a handsome stranger, who asked her to spend one day with him. It might be a mistake to accept his proposal, but over the next day she will experience a level of excitement and intimacy, she has never experienced before, and this could change her life all of sudden.