A young daughter supports her father, who is diagnosed with Alzheimer's disease.
Kinoshita Keisuke and his only daughter Miu live in the housing unit for Nakamura Factory, where Keisuke works. Keisuke's wife died 8 years ago after giving birth to Miu. Back then, Keisuke worked for a large construction company. In order to raise Miu full of love, he quit his job at the large construction company and began to work at