Four sisters, each with their different characters, embark on their separate roads to romance. Elder sister has vast experience of romance; second sister is predisposed to vampiness and wantonness; third sister is righteous and of noble character; fourth sister is just reaching puberty and experiencing the pangs of first love. Being sentimental, flirtatious and amorous, the four sisters form a backdrop conducive to songs and tripping the light fantastic.
| Actor | Role |
|---|---|
| CCao An DiInspector B | Inspector B |
| CChan BiuInspector C | Inspector C |
 Gong Qiuxia秋月 | 秋月 |
 Chen Qi叶铃 | 叶铃 |
 Zhang Fan沙丽 | 沙丽 |
 Chen Juan-Juan丁香 | 丁香 |
| LLu Yukun潘少安 | 潘少安 |
 Hung Po鲁怡 | 鲁怡 |
| YYuan Ping老夏 | 老夏 |
 Ping Fan陈柏 | 陈柏 |
| 胡胡蓉蓉芙蓉 | 芙蓉 |
 Wu Chia-Hsiang小牛 | 小牛 |
 Man Yin女团员 | 女团员 |
 Hua Meng女团员 | 女团员 |
 Hsia Lien女团员 | 女团员 |
| WWeng Mu剧团布景师 | 剧团布景师 |
 Cao Yan男团员 | 男团员 |
 Si Meng男团员 | 男团员 |
 Chen Huan-Wen戏院经理 | 戏院经理 |
 Pengfei Wei医生 | 医生 |