Geum-Bi is only 8-years-old, but she suffers from dementia. She is slowly losing her memory. Her father Hwi-Chul is a swindler. While taking care of Geum-Bi, he learns about the preciousness of life.

Geum Bi is a spirited 8-year-old girl who suffers from Niemann-Pick Disease Type C (NPC), a rare genetic condition that makes her body unable to properly metabolize cholesterol and other lipids. The condition is often referred to as "childhood Alzheimer's" because of the accompanying rapid mental and physical deterioration. Her single father, Hwi Cheol, is a swindler. While taking care of Geum Bi, he learns about the preciousness of life. Geum Bi's stern mother, Jang Joo Yeong, is estranged from Hwi Cheol and disapproves of everything he does. Go Kang Hee is an arborist who likes to spend her time alone or on the search for stolen cultural artifacts. When Kang Hee meets Hwi Cheol, she finds herself drawn into his life. Can Geum Bi teach Kang Hee to mend her fractured heart?