It's important to bear in mind that it is very common for trailers and TV series promos to have brief clips of dialog strung together totally out of context, giving the impression of plot points that are actually very different from what is in the real story.
This film chronicles the misadventures of the Collins family fantasy, living in the vast and sinister mansion Collinwood, and one of whose leading members is the dreaded vampire Barnabas.Angelique Bouchard, his servant also a witch, is in love. Revenge, because if last the regrowth, it made him a vampire and buried alive. Two hundred years later, in 1972, Barnabas is freed from his tomb and try to find Angelique. Transformed, it has become a formidable businesswoman. The vampire is going to get used to his new life in the house where he had lived 200 years earlier, and whose inhabitants are Elizabeth and Roger Collins and their children as well as the mysterious Victoria Winters. But Barnabas will meet with the doctor in the house: Julia. She only knows where Angelique. The vampire reveals his history, and nature and asks for help. Julia will be his faithful accomplice and under the eye of Collins, it will do everything to help him find Angelique so he can take revenge ...
But it is pretty cool looking nonetheless.