Near Dark (1987)
Cowboy Caleb Colton (Adrian Pasdar) meets gorgeous Mae (Jenny Wright) at a bar, and the two have an immediate attraction. But when Mae turns out to be a vampire and bites Caleb on the neck, their relationship gets complicated. Wracked with a craving for human blood, Caleb is forced to leave his family and ride with Mae and her gang of vampires, including the evil Severen. Along the way Caleb must decide between his new love of Mae and the love of his family.