The father, who left his family to work in Korea for the sake of his life, will return to his homeland. But his two daughters are already adults and will not accept their father who lacks love and care when they grow up. A real battle will begin between the father who wants to get back the lost years and earn the respect of his two beloved daughters, and the girls who want to distance themselves from the father who suddenly came into their lives to the detriment of their comfort. A father's tireless dedication pays off, and he can become a truly COOL father to his daughters, both in terms of his father style image and as a father.