New Golden Lotus IV (1996)

4th episode of a serie of 5. Chinny is stuck in a marriage with a disgusting midget, but is seduced and tricked into becoming the fifth concubine of lecherous official Simon Hsin. While Chinny is mistreated by the other concubines, Simon has affairs with anything that movies, poisons Chinny's husband, and imprisons her brother-in-law. It soon becomes apparent that this is Simon's M.O. when he steals another man's wife and kills him as well