Blood Night Street is a town where vampires seeking blood and humans seeking blood buyers gather. Su Tie, a human who has been branded as an "abolished blood", works for the Blood Control Bureau, an organisation that controls the illegal activities of vampires. One day, Su-Tetsu meets a mysterious vampire, Hyakutori, who claims to be a gastronomist in the city. A battle suspense of courtship and redemption, spun by a destiny etched in blood, begins.