Centuries ago in Japan, a dark force threatened our universe, bringing a civilization to its knees, until a clan of brave warriors were called upon to destroy this ancient evil Samurai warriors defeated them with power symbols passed down from parent to child. But now this darkness has returned and plans to flood the Earth, and the future of mankind rest in the hands of five ordinary teens with one extraordinary destiny They are the Samurai Rangers. Led by the fearless Red Ranger, this team was summoned to train as Samurais under the teachings of Mentor Ji, armed with high powered weapons and mighty Megazords. They have one mission to defeat the sinister Master Xandred and his army of Nighloks and make our universe safe from evil once and for all.