Love and Pains

Im Yunhee-24 years old is an unsophisticated woman and works as a sales assistant in a shopping mall. In her whole life, she has never experienced dating with men because she has been Nbsb or No boyfriend since birth. Because she was so desperate to have a boyfriend and love life experience, she met the mysterious businessman Ae Haneul-32 years old, who has the largest shareholders in the shopping mall where Yunhee works.
But what if she finds out that the man she first loved is engaged to someone else?
Will she take the risk in the name of love or will she just let him go?