Led by kung fu master Wu, who's as wisecracking as he is wise, young Lloyd, the Green Ninja, and his secret warrior/Lego Master Builder friends must defeat evil warlord Garmadon, the Worst Guy Ever, who also happens to be Llyod's dad. Pitting mech against mech and father against son, the battle for Ninjago City will test this fierce but undisciplined team of modern-day ninjas who must learn to check their egos and pull together to unleash their true power.