Gao Ju (Xia Yu) and Zhang Yang (Pu Shu) were best of friends, but they fall in love with Huanzi (Zhou Xun). Huanzi loves both of them and thus they formed an unbalanced trinity. A simple promise not to meet ever again after college ended up in disaster when Gao cannot resist wooing Huanzi again
| Actor | Role |
|---|---|
 Zhou Xun欢子 | 欢子 |
 Xia Yu高举 | 高举 |
 Pu Shu张扬 | 张扬 |
 Li Ming老王 | 老王 |
 Shu YaoxuanNot listed | Not listed |
 Zhen TianNot listed | Not listed |