Strings

Strings is a 2004 puppetry fantasy film directed by Anders Rønnow Klarlund about the son of an ostensibly assassinated ruler who sets out to avenge his father but through a series of revelations comes to a much clearer understanding of the conflict between the two peoples concerned. An international co-production by Denmark, Sweden, Norway and the United Kingdom, the film was made with marionettes and the strings are part of the fictional world as life strings.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.