Castlevania is a spin-off series to the popular game "Castlevania" but takes place after the events of the game. The story sets off with a young woman visiting Dracula's castle to seek out knowledge that is forbidden within her village to better the people there. When the people find out that she is messing around with science, they accuse her of witchcraft and burn her from the stake. When Dracula, who married the young woman, finds out that the villagers killed her, he sends out at plague of demons amongts the people cursing them that in a year they will all be wiped out; That is until a vampire hunter named Trevor Belmont, a sorcerer, and Dracula's son band together to try and stop Dracula from wiping out humanity.
https://youtu.be/z0kaYs8SbMs