URIs for Lies (1999, dir. Sun-Woo Jang):
http://www.shincine.com/lies/eng_introduction.htm

http://www.imdb.com/title/tt0208995/

Good review, discussing intersection sex/religion:
http://www.plume-noire.com/movies/cult/lies.html

Even better review, discussing link to de Sade and the politics of orgasm, ie. George Bataille etc):
http://www.indiewire.com/movies/rev_001115_Lies.html

The movie is based on a novel by Jung-Il Chang. There's an overview of his work here:
http://216.239.59.104/search?q=cache:p0LaTQ650IwJ:kuba.korea.ac.kr/~leekj/chang_jung_il.html+Jung-Il+Chang&hl=en

Can't find any work in translation at the moment, though...