Seon-mi and Min-su meet while saving a man who fell on the road. This was the opportunity to continue meeting and sprout love. Do-hee, a half older sister with a distinctive disposition, is handsome. He starts temptation to take Minsu, who has a job as a doctor. Seonmi, who was greatly heartbroken by the sudden marriage between her sister and Minsu, left to study abroad. I started a new beginning with Minwoo, an attractive man there, An older sister who is looking for another man with a full libido because of not having taken the man of her brother.