An epic fantasy adventure based on the timeless Arthurian legend, The Green Knight tells the story of Sir Gawain, King Arthur's reckless and headstrong nephew, who embarks on a daring quest to confront the eponymous Green Knight, a gigantic emerald-skinned stranger and tester of men.

After the deaths of Mihai's parents, Mihai and Lisbeth Gheorghiu leave everything behind and move with their children to a remote village in Norway, hoping to rebuild their lives near Lisbeth's family. There, they grow close to their neighbors, the Halbergs, whose warmth offers the promise of a fresh start. But the fragile peace begins to unravel when the Gheorghius' young daughter, Elia, arrives at school covered in bruises.