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 |
| Crew | Jón Viðar Arnþórsson | Stunt Coordinator |
| Production | Mikkel Jersin | Producer |
| Visual Effects | Clas Hakeröd | Visual Effects Supervisor |
| Production | Anton Máni Svansson | Producer |
| Sound | Alex Zhang Hungtai | Original Music Composer |
| Editing | Eggert Baldvinsson | Colorist |
| Sound | Björn Viktorsson | Sound Designer |
| Sound | Björn Viktorsson | Sound Re-Recording Mixer |
| Production | Guðmundur Arnar Guðmundsson | Co-Producer |
| Production | Katrin Pors | Producer |
| Sound | Heikki Kossi | Foley Artist |
| Sound | Lauri Marjamaa | Foley Mixer |
| Visual Effects | Anders Nyman | Visual Effects Compositor |
| Production | Eva Jakobsen | Producer |
| Visual Effects | Zafer Fanari | Visual Effects Compositor |
| Editing | Kasper Böhnke | Assistant Editor |
| Art | DanÍel Imsland | Graphic Designer |
| Directing | Hlynur Pálmason | Director |
| Camera | Hlynur Pálmason | Director of Photography |
| Editing | Julius Krebs Damsbo | Editor |
| Production | Hlynur Pálmason | Executive Producer |
