Ernesto is a young, chubby vampire, a child of a single-parent family. He is romantic, sensitive, a lover of literature, and dreams that one day he will be able to experience the ultimate love, just like the heroes of the books he reads. His mother, Vanessa, will become an insurmountable obstacle in his life when he falls in love with Stavroula. He believes that if he manages to lose weight, he will be able to win the heart of his beloved and resemble his idol, the aristocratic and lean Christopher Lee. In his mind, it is simple, he just needs to find out how many calories are in blood.