Win her heart to make High ranked Wine! After the rapid increase of population, the vampires are abundant with blood, and they start to become picky about the taste of it. It leads to an era where they age human blood like wine. Harry, the chairman of Kingston Winery, the leading company in the business, loses his company to his older brother Max. Kicked out of the company that was once his, Harry is now running a small wine bar in Korea, where he also trades blood illegally. Then one day, a called Yeonseo visits the wine bar. Harry senses that even though her blood is now immature, it could be worth a lot of money when aged properly. Since Yeonseo needed money desperately, she makes an exclusive contract to sell her blood for 300k won per pack. Harry tries to age her blood to make some top-quality wine, to get back in business. And that’s when interracial romance begins…