My Fair Lady(2016)

Original title: 오 마이 금비

Geum Bi is only 8-years-old, but she suffers from dementia. She is slowly losing her memory. Her father Hwi Cheol is a swindler. While taking care of Geum Bi, he learns about the preciousness of life. Jang Joo Young becomes involved with Geum Bi and Hwi Cheol.