Mircea AKA Proud Heritage is a 1989 film about Mircea I of Wallachia, the Christian king of Wallachia who repelled the attempts at conquest made by the Ottoman Empire in the late 14th century and early 15th century. The film also depicts a young Vlad III the Impaler, Mirceas grandson, who would succeed him on the throne and continue his legacy of resistance against the Ottoman invasion.
Source: Wikipedia