Upon returning home, sailor Yu (Richard Ng) is shock to discover that not only his wife left him, but the house has also been sub-letted to an old maid, May Wong (Josephine Siu). Both Yu and Wong have their own strange habits, and them living together under the same roof causes numerous hilarious incidents.
| Actor | Role |
|---|---|
 Richard Ng Yiu-HonYu Tai Dai | Yu Tai Dai |
 Josephine Siao Fong-FongWong Mui | Wong Mui |
 Paul Chun PuiCouncillor Mou Fook Lee | Councillor Mou Fook Lee |
 Dennis Chan Kwok-SanHo Ho Ho | Ho Ho Ho |
 David Chiang Da-WeiTai Dai's co-worker at end of movie | Tai Dai's co-worker at end of movie |
 Pauline Kwan Pui-LamYu Sam Yee | Yu Sam Yee |
 Lam ChungNot listed | Not listed |
 Robert Mak Tak-LawNot listed | Not listed |
 Billy Ching Sau-YatNot listed | Not listed |
| SSo Cho-YeeNot listed | Not listed |
 Clifton Ko Chi-SumNot listed | Not listed |
 Maggie LeeNot listed | Not listed |