Twee broers bouwen samen met hun zus een boomhut in de loop van een jaar. Tijdens hun worstelingen en momenten van vreugde ervaren ze de schoonheid en wreedheid van de seizoenen.
Nee, helaas is Hreiður nog niet beschikbaar op Netflix in Nederland.
| Writing | Hlynur Pálmason | Writer |
| Art | DanÍel Imsland | Graphic Designer |
| Sound | Alex Zhang Hungtai | Original Music Composer |
| Sound | Björn Viktorsson | Sound Designer |
| Production | Guðmundur Arnar Guðmundsson | Co-Producer |
| Production | Anton Máni Svansson | Producer |
| Editing | Eggert Baldvinsson | Colorist |
| Production | Eva Jakobsen | Producer |
| Visual Effects | Zafer Fanari | Visual Effects Compositor |
| Production | Katrin Pors | Producer |
| Sound | Lauri Marjamaa | Foley Mixer |
| Visual Effects | Anders Nyman | Visual Effects Compositor |
| Editing | Kasper Böhnke | Assistant Editor |
| Production | Mikkel Jersin | Producer |
| Crew | Jón Viðar Arnþórsson | Stunt Coordinator |
| Sound | Heikki Kossi | Foley Artist |
| Sound | Björn Viktorsson | Sound Re-Recording Mixer |
| Visual Effects | Clas Hakeröd | Visual Effects Supervisor |
| Directing | Hlynur Pálmason | Director |
| Editing | Julius Krebs Damsbo | Editor |
| Production | Hlynur Pálmason | Executive Producer |
| Camera | Hlynur Pálmason | Director of Photography |
