Desirous Express (2000)
A battered wife has sex with her best friend’s boyfriend after having a night of karaoke with the couple.
Actors: Emily Kwan Bo-Wai
Severely Grape (1998)
Two prostitutes (who pretend they’re not) who con their clients have husbands. One of them, in particular, is raising money so that she can get her husband, the one she truly loves, out of jail.