2019：トリニティはじめました！

ジオウの前に現れた、仮面ライダーカリス。 そして、剣崎も現れ、仮面ライダーブレイドへ変身。ブレイドとカリス。運命の戦いの幕が上がってしまう。 その裏では、仮面ライダーウォズの力を奪われた白ウォズが暗躍。 再度、ゲイツのもとへ向かうのだが・・・。その手には、ジオウⅡウォッチとゲイツリバイブウォッチ。

Kamen Rider Chalice has just appeared before Kamen Rider Zi-O! Kazuma Kenzaki also appears, and transforms into Kamen Rider Blade! Blade and Chalice... The curtain covering their fated battle has been raised! Meanwhile, White Woz, who has lost his power to transform into Woz, has gone dark. He makes his way towards Geiz once again, holding in his hand the Zi-O Ridewatch II and the GeizRevive Ridewatch...