It uses a unique cut-out and multiplane technique to create a dreamlike, often haunting atmosphere.
In 2010, it was reportedly the most awarded film in the world, winning major prizes at festivals like Annecy and Hiroshima.
English-subtitled prints were created for its run in over 100 international film festivals.
Because of its international success and educational use, several versions of the film exist to accommodate non-Norwegian audiences:
Directed by Anita Killi and adapted from a picture book by Gro Dahle and Svein Nyhus, the 20-minute film tells the story of Boj, a young boy who lives in fear of his father's violent outbursts. The "Angry Man" represents the father's aggressive alter-ego, which surfaces even over minor triggers.