A demon of darkness who goes by the name, Ultra Dark-Killer has the power to create evil copies of Ultra warriors. Ultraman Zero and Ultrawoman Grigio fell into the hand of this archenemy!
To deal with the crisis, Ultraman Taro calls in the “New Generation Heroes”, Ultraman Ginga, Ultraman Victory, Ultraman X, Ultraman Orb, Ultraman Geed, Ultraman Rosso, Ultraman Blu and also Ultraman Ribut from the Galaxy Rescue Force as a cover.
Battle between the “New Generation Heroes” and the “League of Darkness” shall begin!