If judging by the movie's costumes only, one can deduct that the movie is set in the 70s, but then, who can really tell? It doesn't matter anyway which period the movie is in, so long as the laughters ...
But then, there's nothing seemingly out of place for a movie of this genre, except for a few blunders like wire poking out of the costumes of the cast. Blink, and you'll miss it. And if you like Ang ...