I dont get it :s

At what point did the movie lose you?

When Carmilla committed suicide, she turned into a vampire. She created more vampires. The towns people destroyed them. The end. 

Maybe this search will get you more detail than I have:
https://www.google.com/?gws_rd=ssl#newwindow=1&q=Styria+%282014%29+Angels+of+Darkness+Synopsis

http://www.vampires.com/angels-of-darkness-aka-styria/

https://www.facebook.com/styriamovie


This movie is based on Carmilla by Joseph Sheridan Le Fanu.
https://www.google.com/?gws_rd=ssl#newwindow=1&q=Carmilla+by+Joseph+Sheridan+Le+Fanu

https://en.wikipedia.org/wiki/Carmilla

http://www.gutenberg.org/ebooks/10007






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