In 2031, Qin retires alone on a small island, as his wife Xiaoxiao is away all year long. Fan, Qin's friend, designs an android identical to Xiaoxiao to keep Qin company.
| Actor | Role |
|---|---|
 Ge YouQin Fen | Qin Fen |
 Shu QiLiang Xiaoxiao | Liang Xiaoxiao |
 Wu YicongWu Sang | Wu Sang |
 Li ChengruDa Dao | Da Dao |
 Yao ChenMang Guo | Mang Guo |
 Fan WeiLao Fan | Lao Fan |
 Guan XiaotongChuan Chuan | Chuan Chuan |
 Yu ShuxinJudy | Judy |
 Yue YunpengChengru | Chengru |
 Chang YuanJianguo | Jianguo |