The series is about a single father who is a pest exterminator by day and K-1 fighter at night.
Heo I-jae who is making a return after 8 months will play the role of Jeon Ha Ri, the only daughter of a wealthy family and medical student who falls in love with a single father played by Oh Ji-ho who has a 7-year old son. She will be drawing the cute love with Oh Ji Ho who seems to have a mismatched background.
Heo I-jae commented, "I am already excited to return in a warm and moving drama. I will do my best, putting in all my energy I gathered while resting".