一个关系不睦却强大无比的忍者家庭在退休多年后,为了反击一连串日益逼近的威胁,开始重操旧业执行起地下任务。The Tawara family, the last ninja clan. It had abandoned its roots after an incident in the past, but now the family must take on the greatest crisis in Japanese history, one that threatens to shake the nation to its core.