The tenants of a seedy rooming house in Hong Kong think they're seeing a vengeful ghost when a strange girl arrives claiming to be the twin sister of a missing occupant. Wracked by guilt, they begin to die one by one, and the detective investigating their apparent suicides discovers that whatever karma people give out comes back to them... twofold.
| Actor | Role |
|---|---|
 Tony HoChing | Ching |
 Deborah Poon Goon LamJoey | Joey |
 Hisako ShirataAsa / Mio Uchida | Asa / Mio Uchida |
 Emily Kwan Bo-WaiSuzie | Suzie |
| NNg Yo-YoKit | Kit |
 Gary Mak Wing-LunNot listed | Not listed |
 Samuel Pang King-ChiNot listed | Not listed |