This is the first film in a series. A Russian story based on a series of books.
We open with a man who goes to a witch about getting revenge on his cheating wife. He finds out he is not really all human, and is then brought into the underground occult world filled with vampires, shapeshifters and witches. There is a war going on between the Light Others and the Dark Others. One soul will tip the scale of balance. It ends up his son is that soul.
This was a dark story, but captivating. The Canadian version is dubbed, but don't let that stop you from seeing it.