"Boogie Nights" was all about sex. Though it didn't really show much. More about the industry of making porn and the people involved in it than anything else.
Added:
Dirk Diggler (Mark Wahlberg) and Rollergirl (Heather Graham) in "Boogie Nights." Porn. It was a great industry to be in back then.
Added:

You Might also Like

Dirk Diggler Quotes

[to the mirror's reflection of his 13-inch penis] I am a star. I'm a star, I'm a star, I'm a star.... I am a big, bright, shining star. Yeah, that's right.

Dirk

Dirk: Look, man, all we need is the tapes, all right?
Record Producer: No, you don't get the tapes until you've paid.
Dirk: In our situation, that doesn't make any fucking sense.
Reed Rothchild: Look, we can not pay for the tapes, unless we take the tapes to the record company, and get paid.
Dirk: Hello? Exactly.