Looking for her long-lost twin sister, a woman from Hong Kong bikes around Taiwan, joined by three complete strangers, one from Hong Kong, one from Taiwan, one from China, each biking around the island for his/her own reasons.
| Actor | Role |
|---|---|
 Cherry Ngan Cheuk-LingA-lan | A-lan |
 Zhang Ting-huZhen Ting | Zhen Ting |
 Huang YaoQing Tian | Qing Tian |
 Bai ZhijieGuang | Guang |
 Weber YangZhen Liang | Zhen Liang |
 Grace Chen Shu-FangNanny | Nanny |
 King Shih-chiehCycling's Father | Cycling's Father |
 Phoebe HuangBike Store Female Boss | Bike Store Female Boss |
 A-LinTaipei Arena Singer | Taipei Arena Singer |
 Ram Chiang Chi-KwongA-lan's Father | A-lan's Father |
 Helen Tam Yuk-YingA-lan's Mother | A-lan's Mother |
 Ying Wei-minTaitung Bike Store Boss | Taitung Bike Store Boss |
| HHsuan-Le HsuCycling's daughter | Cycling's daughter |
 Camake ValauleVillage Store Boss | Village Store Boss |