Director: Tim Dünschede
A film-set internship in Transylvania turns into a decades-old mystery for three young detectives in this 2023 German family adventure.
What is The Three Investigators and The Legacy of the Dragon about?
Peter, Justus, and Bob head to Romania for summer break, using a connection through Peter's father to land a special-effects internship on a vampire movie shooting at an old countess's castle. The production seems ordinary enough until strange occurrences start disrupting the set: equipment fails, crew members report unexplained sightings, and local rumors point to something older than the film crew realizes. The trio starts pulling at threads connecting the castle to a boy who vanished more than fifty years earlier and to a secretive brotherhood tied to the property. As the three friends dig deeper, the case starts to strain more than just their nerves — Peter's already complicated relationship with his father is tested, and the group's own friendship faces pressure neither of them saw coming.
Cast & crew
Julius Weckauf, Nevio Wendt, and Levi Brandl return as the title trio, working alongside German screen veterans Mark Waschke, Gudrun Landgrebe, Gedeon Burkhard, and Jördis Triebel, who bring weight to the film's supporting adult roles. Director Tim Dünschede keeps the pacing brisk, favoring practical set pieces around the castle location over overexplaining the mystery.
Context & significance
The film continues the long-running Three Investigators franchise, adapted from the classic young-adult detective book series that has been popular across German-speaking audiences for decades. Shooting on location in Transylvania gives this installment a gothic backdrop that leans into genuine Dracula folklore rather than treating it as pure set dressing, and the film-within-a-film device lets the story poke fun at movie-making while still building real stakes for its young leads.
Where & how to watch
The Three Investigators and The Legacy of the Dragon streams on K-Time with a Persian-dubbed audio track, part of a catalog built for the Iranian diaspora with a fully Farsi interface. Reading this page is free; watching the film requires logging into a K-Time account.