A film diary that follows the life of filmmaker László Dudás for almost 50 years. László Dudás was a set-designer at the Film Factory and a passionate filmmaker. He made several films such as “Toldi” (1828), “Jazz”, “Tempo”. Later on he made several fiction films including “Silver Triangle”, “Do Not Give the Bank”. Through Dudás’s works, this film evokes yet unexplored works of Hungarian film history. “D-Film” is the first episode of a two-part series.