Machiko Nakamura

The drama is based on a true story of Yamaguchi Hayato (25), a young man who learns he has a rare illness known as CIDP, which affects the nervous system. He begins to lose the functioning of his limbs, but he is determined to fight the illness with the support of his wife and his 2-year-old daughter, Myu-chan.

Older Kozue suffers from dementia and lives in a care home. Her son Keiji used to visit her there. He has stopped visiting the facility and only calls her on the phone. Kozue's granddaughter Saki seems to know the background to this. What on earth happened?