It is New Year's Day at King Arthur's court, and a mysterious knight in green arrives at the holiday feast with a peculiar demand. He challenges anyone present to strike a blow against him with his fearsome great axe - but on the condition that, in one year's time, he may deliver the same blow in return.Sir Gawain, a knight of the Round Table, accepts the Green Knight's challenge. His honor tested, his loyalty questioned, Gawain leaves Camelot in search of a place called the Green Chapel to keep his end of the Green Knight's bargain.