Everybody has heard about Dracula, a blood-thirsty monster who invokes immortality with a bite on the neck. But many believe the real Dracula was a 15th century eastern European ruler with a penchant for impaling enemies, Vlad Tepes, whose curse upon his homeland has lasted for six centuries. With the help of emerging science in the field of genetics, Sam investigates the curse of Vlad the Impaler. (thetvdb.com)