"The Act in Caregiving" is a 2018 documentary that was produced and broadcasted in Okayama Prefecture. It is about Tadao Okada, a 91-year-old man who has been taking care of his senile wife for over 10 years. Not knowing how to handle his wife's senile behavior, Okada had long been suffering. But his life changed for the better when he met actor and professional caregiver Naoki Sugawara. By taking on the main role in the theater performances about aging and going senile, put on by Sugawara's theater troupe, Okada became able to accept his wife for who she is. This documentary focuses on Okada's daily life as he serves as the star actor of a theater troupe while being the primary caregiver to his senile wife.