影片改編自D.H.勞倫斯的同名小說。

　　Gawain was a squire in King Arthur's court when the Green Knight burst in and offered to play a game with a brave knight. No knights stand to defend their king's honor. Except for the valiant Gawain. After being quickly knighted Gawain plays the game, but learns that it's all a trick, and he has lost. But the Green Knight shows mercy, letting Gawain grow a year older before having to face the consequences. Gawain journeys across the land, learning about life, saving damsels, and solving the Green Knight's riddle. Written by Sean Kilby and Jason Parker