Snake Lady (2001)

"Snakes and Women are the two forces that powerful men need fear!"

Chanachol, recently returned to Thailand after living overseas, signs up for a tour to get back in touch with Thai culture, and finds himself attracted to the tour guide, Mekhala. There are several problems with the relationship: Chanachol is married, with family, and Mekhala has a mysterious, symbiotic relationship with a deadly cobra, and many of her previous suitors have ended up dead.