Five teenagers inherit samurai powers from ancient Japan to protect the world from an army of monsters. The Samurai Power Rangers – Red Ranger Jayden Shiba, the stoic leader; Blue Ranger Kevin Douglas, the devoted second-in-command; Pink Ranger Mia Watanabe, the big sister; Green Ranger Mike Fernandez, the creative rebel; Yellow Ranger Emily Stewart, the youngest and most innocent; and Gold Ranger Antonio Garcia, the expressive fisherman/tech wiz– fight the evil Master Xandred and his army of Nighloks, who want to flood the planet with the waters of the Sanzu River to bring about the end of civilization.