Four ninjas, raised as such from the womb, in two pairs, completely unaware the other two exist, are in a battle for their lives
One day, as they are running from their enemies, they find each other, and become the most unstoppable team of all time.
Violet and the others have settled in the Temple of Airjitzu after the events of Day of the Departed. However, a new adventure awaits them when they discover four time blades, the Time Twins, the truth of Kai and Nya's parents, and a new Samurai X.