Sam, who is a poor man with intellectual disability, alone raises a pathetic girl who is abandoned by her mother - Lucy. Facing innumerable difficulties daily but they still have a happy life with their best friends. But one day “Sponsoring Association for women and children” deprives his daughter because Sam’s IQ just suits for 7 year-old children. so, they are separated in 7-year-old birthday of Lucy. However, Sam does not give up, he struggles to the end to win to live with his daughter again.