Mr. Sai, a man of science, finds his relationship with his superstitious wife growing colder over time. After his doctor recommends regular intimacy to improve his health, he faces unexpected challenges—especially when his recently released, outspoken son announces plans to run for local office. Stubborn and unyielding, Mr. Sai must confront his beliefs and adapt as he navigates the trials of his later years.
| Actor | Role |
|---|---|
 Wang Tzu-chiangMr. Sai | Mr. Sai |
 Moon WangWang Wu-mei | Wang Wu-mei |
 Tseng Hao-tseShih Hsing-yu | Shih Hsing-yu |
 Yao Chi-huiWei Mei-mei | Wei Mei-mei |
 Nina YeKe-ching | Ke-ching |
| LLo Sze-chiMr. Yeh | Mr. Yeh |
 Chen Ya-huiMrs. Yeh | Mrs. Yeh |
 Cheng Chih-weiNeighborhood representative | Neighborhood representative |
 Cory PengDoctor | Doctor |
 Yang Chia-enReal estate agency | Real estate agency |
 Money Li-hsinSkater boy | Skater boy |
 Lin Tse-kaiSkater boy | Skater boy |
 Ye Ting-qiSkater boy | Skater boy |