In the series, enemies of the past will arise and we will see the arrival of two mysterious black Ultraman, Ultraman X Darkness and Ultraman Geed Darkness. Can the New Generation Heroes defeat the League of Darkness? This series takes place after the events of the Ultraman R/B the Movie: Select! The Crystal of Bond and before the events of Ultraman Taiga.
[Source: Vintage Henshin]