Annoyed at not seeing his exploits taken into account, Sagremor makes a pact with a prankster spirit of the forest who makes him a living legend: a giant slayer! But while he is sent, with complete confidence, to fight a powerful giant who threatens Camelot, Sagremor will only owe his salvation to the unwavering friendship of his friends from the Round Table who find a way to defeat the colossus… and , even more difficult, agree to erase this incredible feat so that everything returns to order.